Cleanup tests after conversion to ES6-modules

* Remove the test-pre-setup.js file (and all usages). This file is
  required only if a tests uses HTML imports (and HTML import polyfill).
* Remove all duplicated <script ...>/import '...' blocks. These
  duplicates were introduced by polymer-modulizer and can be removed.

Change-Id: I005afb9b0d3882eb09b6ebb2dcdd7793700251b4
diff --git a/polygerrit-ui/app/behaviors/async-foreach-behavior/async-foreach-behavior_test.html b/polygerrit-ui/app/behaviors/async-foreach-behavior/async-foreach-behavior_test.html
index fa5409b..4168801 100644
--- a/polygerrit-ui/app/behaviors/async-foreach-behavior/async-foreach-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/async-foreach-behavior/async-foreach-behavior_test.html
@@ -23,12 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./async-foreach-behavior.js"></script>
-
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './async-foreach-behavior.js';
 suite('async-foreach-behavior tests', () => {
diff --git a/polygerrit-ui/app/behaviors/base-url-behavior/base-url-behavior_test.html b/polygerrit-ui/app/behaviors/base-url-behavior/base-url-behavior_test.html
index 4f6f1f5..62b497f 100644
--- a/polygerrit-ui/app/behaviors/base-url-behavior/base-url-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/base-url-behavior/base-url-behavior_test.html
@@ -23,17 +23,12 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './base-url-behavior.js';
 /** @type {string} */
 window.CANONICAL_PATH = '/r';
 </script>
-<script type="module" src="./base-url-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -49,7 +44,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './base-url-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/docs-url-behavior/docs-url-behavior_test.html b/polygerrit-ui/app/behaviors/docs-url-behavior/docs-url-behavior_test.html
index 4b72748..36eec89 100644
--- a/polygerrit-ui/app/behaviors/docs-url-behavior/docs-url-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/docs-url-behavior/docs-url-behavior_test.html
@@ -17,21 +17,10 @@
 <!-- Polymer included for the html import polyfill. -->
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
 <title>docs-url-behavior</title>
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
 
-<script type="module" src="./docs-url-behavior.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import './docs-url-behavior.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <docs-url-behavior-element></docs-url-behavior-element>
@@ -39,7 +28,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './docs-url-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/dom-util-behavior/dom-util-behavior_test.html b/polygerrit-ui/app/behaviors/dom-util-behavior/dom-util-behavior_test.html
index 09a7cc6..0432e20 100644
--- a/polygerrit-ui/app/behaviors/dom-util-behavior/dom-util-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/dom-util-behavior/dom-util-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./dom-util-behavior.js"></script>
-
 <test-fixture id="nested-structure">
   <template>
     <test-element></test-element>
@@ -41,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './dom-util-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-access-behavior/gr-access-behavior_test.html b/polygerrit-ui/app/behaviors/gr-access-behavior/gr-access-behavior_test.html
index e989a74..4f80b2b 100644
--- a/polygerrit-ui/app/behaviors/gr-access-behavior/gr-access-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-access-behavior/gr-access-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-access-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -34,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-access-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-admin-nav-behavior/gr-admin-nav-behavior_test.html b/polygerrit-ui/app/behaviors/gr-admin-nav-behavior/gr-admin-nav-behavior_test.html
index c2659bb..06fe722 100644
--- a/polygerrit-ui/app/behaviors/gr-admin-nav-behavior/gr-admin-nav-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-admin-nav-behavior/gr-admin-nav-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-admin-nav-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -34,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-admin-nav-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-change-table-behavior/gr-change-table-behavior_test.html b/polygerrit-ui/app/behaviors/gr-change-table-behavior/gr-change-table-behavior_test.html
index c314c18..2889371 100644
--- a/polygerrit-ui/app/behaviors/gr-change-table-behavior/gr-change-table-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-change-table-behavior/gr-change-table-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-table-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -42,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-change-table-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-display-name-behavior/gr-display-name-behavior_test.html b/polygerrit-ui/app/behaviors/gr-display-name-behavior/gr-display-name-behavior_test.html
index 26022c4..e4fc3f2 100644
--- a/polygerrit-ui/app/behaviors/gr-display-name-behavior/gr-display-name-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-display-name-behavior/gr-display-name-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-display-name-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element-anon></test-element-anon>
@@ -34,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-display-name-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-list-view-behavior/gr-list-view-behavior_test.html b/polygerrit-ui/app/behaviors/gr-list-view-behavior/gr-list-view-behavior_test.html
index 37577df..c918d5e 100644
--- a/polygerrit-ui/app/behaviors/gr-list-view-behavior/gr-list-view-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-list-view-behavior/gr-list-view-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-list-view-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -34,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-list-view-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-patch-set-behavior/gr-patch-set-behavior_test.html b/polygerrit-ui/app/behaviors/gr-patch-set-behavior/gr-patch-set-behavior_test.html
index 8e05228..e0bbf17 100644
--- a/polygerrit-ui/app/behaviors/gr-patch-set-behavior/gr-patch-set-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-patch-set-behavior/gr-patch-set-behavior_test.html
@@ -17,16 +17,11 @@
 <!-- Polymer included for the html import polyfill. -->
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
 <title>gr-patch-set-behavior</title>
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
 
-<script type="module" src="./gr-patch-set-behavior.js"></script>
-
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-patch-set-behavior.js';
 suite('gr-patch-set-behavior tests', () => {
diff --git a/polygerrit-ui/app/behaviors/gr-path-list-behavior/gr-path-list-behavior_test.html b/polygerrit-ui/app/behaviors/gr-path-list-behavior/gr-path-list-behavior_test.html
index 8395ce9..f644469 100644
--- a/polygerrit-ui/app/behaviors/gr-path-list-behavior/gr-path-list-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-path-list-behavior/gr-path-list-behavior_test.html
@@ -17,16 +17,11 @@
 <!-- Polymer included for the html import polyfill. -->
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
 <title>gr-path-list-behavior</title>
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
 
-<script type="module" src="./gr-path-list-behavior.js"></script>
-
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-path-list-behavior.js';
 suite('gr-path-list-behavior tests', () => {
diff --git a/polygerrit-ui/app/behaviors/gr-tooltip-behavior/gr-tooltip-behavior_test.html b/polygerrit-ui/app/behaviors/gr-tooltip-behavior/gr-tooltip-behavior_test.html
index 7387a17..efc8e9b 100644
--- a/polygerrit-ui/app/behaviors/gr-tooltip-behavior/gr-tooltip-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-tooltip-behavior/gr-tooltip-behavior_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-tooltip-behavior.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import './gr-tooltip-behavior.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-tooltip-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/gr-url-encoding-behavior/gr-url-encoding-behavior_test.html b/polygerrit-ui/app/behaviors/gr-url-encoding-behavior/gr-url-encoding-behavior_test.html
index 94d6c12..6968bbf 100644
--- a/polygerrit-ui/app/behaviors/gr-url-encoding-behavior/gr-url-encoding-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/gr-url-encoding-behavior/gr-url-encoding-behavior_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-url-encoding-behavior.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import './gr-url-encoding-behavior.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-url-encoding-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior_test.html b/polygerrit-ui/app/behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior_test.html
index f7231fb..ac979b2 100644
--- a/polygerrit-ui/app/behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./keyboard-shortcut-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -42,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './keyboard-shortcut-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/behaviors/rest-client-behavior/rest-client-behavior_test.html b/polygerrit-ui/app/behaviors/rest-client-behavior/rest-client-behavior_test.html
index af078e5..aa24ffc 100644
--- a/polygerrit-ui/app/behaviors/rest-client-behavior/rest-client-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/rest-client-behavior/rest-client-behavior_test.html
@@ -23,10 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import '../base-url-behavior/base-url-behavior.js';
 import './rest-client-behavior.js';
@@ -34,9 +31,6 @@
 window.CANONICAL_PATH = '/r';
 </script>
 
-<script type="module" src="../base-url-behavior/base-url-behavior.js"></script>
-<script type="module" src="./rest-client-behavior.js"></script>
-
 <test-fixture id="basic">
   <template>
     <test-element></test-element>
@@ -52,7 +46,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import '../base-url-behavior/base-url-behavior.js';
 import './rest-client-behavior.js';
diff --git a/polygerrit-ui/app/behaviors/safe-types-behavior/safe-types-behavior_test.html b/polygerrit-ui/app/behaviors/safe-types-behavior/safe-types-behavior_test.html
index fc1224f..791dc4d 100644
--- a/polygerrit-ui/app/behaviors/safe-types-behavior/safe-types-behavior_test.html
+++ b/polygerrit-ui/app/behaviors/safe-types-behavior/safe-types-behavior_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./safe-types-behavior.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import './safe-types-behavior.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './safe-types-behavior.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section_test.html b/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section_test.html
index 4754c4a..459949e 100644
--- a/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-access-section/gr-access-section_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-access-section.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-access-section.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-access-section.js';
 suite('gr-access-section tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list_test.html b/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list_test.html
index 36c2081..7a32737 100644
--- a/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-admin-group-list/gr-admin-group-list_test.html
@@ -25,18 +25,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-admin-group-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-admin-group-list.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-admin-group-list></gr-admin-group-list>
@@ -44,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-admin-group-list.js';
 let counter = 0;
diff --git a/polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view_test.html b/polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view_test.html
index 584eb88..7f989e7 100644
--- a/polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-admin-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-admin-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-admin-view.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog_test.html b/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog_test.html
index e948a31..daf37bf 100644
--- a/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-confirm-delete-item-dialog/gr-confirm-delete-item-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-delete-item-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-delete-item-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-delete-item-dialog.js';
 suite('gr-confirm-delete-item-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog_test.html b/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog_test.html
index 20226dd..4ce1855 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-create-change-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-create-change-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-create-change-dialog.js';
 suite('gr-create-change-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog_test.html b/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog_test.html
index e9585d3..14644a4 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-create-group-dialog/gr-create-group-dialog_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-create-group-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-create-group-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-create-group-dialog.js';
 suite('gr-create-group-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog_test.html b/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog_test.html
index 28cf2e8..394b1d8 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-create-pointer-dialog/gr-create-pointer-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-create-pointer-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-create-pointer-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-create-pointer-dialog.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog_test.html b/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog_test.html
index 09bb63e..a14a9c9 100644
--- a/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-create-repo-dialog/gr-create-repo-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-create-repo-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-create-repo-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-create-repo-dialog.js';
 suite('gr-create-repo-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-group-audit-log/gr-group-audit-log_test.html b/polygerrit-ui/app/elements/admin/gr-group-audit-log/gr-group-audit-log_test.html
index d62874d..c7a41bf 100644
--- a/polygerrit-ui/app/elements/admin/gr-group-audit-log/gr-group-audit-log_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-group-audit-log/gr-group-audit-log_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-group-audit-log.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-group-audit-log.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-group-audit-log.js';
 suite('gr-group-audit-log tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members_test.html b/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members_test.html
index 9380b86..e7c4afd 100644
--- a/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-group-members/gr-group-members_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-group-members.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-group-members.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-group-members.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-group/gr-group_test.html b/polygerrit-ui/app/elements/admin/gr-group/gr-group_test.html
index 9f278c4..6461833 100644
--- a/polygerrit-ui/app/elements/admin/gr-group/gr-group_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-group/gr-group_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-group.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-group.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-group.js';
 suite('gr-group tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-permission/gr-permission_test.html b/polygerrit-ui/app/elements/admin/gr-permission/gr-permission_test.html
index 6f05029..82d89e1 100644
--- a/polygerrit-ui/app/elements/admin/gr-permission/gr-permission_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-permission/gr-permission_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-permission.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-permission.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-permission.js';
 suite('gr-permission tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-plugin-config-array-editor/gr-plugin-config-array-editor_test.html b/polygerrit-ui/app/elements/admin/gr-plugin-config-array-editor/gr-plugin-config-array-editor_test.html
index f66346e..ecb2ec3 100644
--- a/polygerrit-ui/app/elements/admin/gr-plugin-config-array-editor/gr-plugin-config-array-editor_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-plugin-config-array-editor/gr-plugin-config-array-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-plugin-config-array-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-plugin-config-array-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-plugin-config-array-editor.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list_test.html b/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list_test.html
index f89eb8e..da626e9 100644
--- a/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-plugin-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-plugin-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-plugin-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-access/gr-repo-access_test.html b/polygerrit-ui/app/elements/admin/gr-repo-access/gr-repo-access_test.html
index 4a482db..89f4df7 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-access/gr-repo-access_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-access/gr-repo-access_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-access.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-access.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-access.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-command/gr-repo-command_test.html b/polygerrit-ui/app/elements/admin/gr-repo-command/gr-repo-command_test.html
index a3f507b..c260613 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-command/gr-repo-command_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-command/gr-repo-command_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-command.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-command.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-command.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands_test.html b/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands_test.html
index c2f71e7..ce2493a 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-commands/gr-repo-commands_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-commands.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-commands.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-commands.js';
 suite('gr-repo-commands tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-dashboards/gr-repo-dashboards_test.html b/polygerrit-ui/app/elements/admin/gr-repo-dashboards/gr-repo-dashboards_test.html
index 1d6f05e..14e67e9 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-dashboards/gr-repo-dashboards_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-dashboards/gr-repo-dashboards_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-dashboards.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-dashboards.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-dashboards.js';
 suite('gr-repo-dashboards tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list_test.html b/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list_test.html
index 13510d8..27a3498 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-detail-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-detail-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-detail-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-list/gr-repo-list_test.html b/polygerrit-ui/app/elements/admin/gr-repo-list/gr-repo-list_test.html
index fbd1099..b5991b2 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-list/gr-repo-list_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-list/gr-repo-list_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-list.js';
 let counter;
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-plugin-config/gr-repo-plugin-config_test.html b/polygerrit-ui/app/elements/admin/gr-repo-plugin-config/gr-repo-plugin-config_test.html
index f70d3ea..c2abef2 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-plugin-config/gr-repo-plugin-config_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo-plugin-config/gr-repo-plugin-config_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-plugin-config.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-plugin-config.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-plugin-config.js';
 suite('gr-repo-plugin-config tests', () => {
diff --git a/polygerrit-ui/app/elements/admin/gr-repo/gr-repo_test.html b/polygerrit-ui/app/elements/admin/gr-repo/gr-repo_test.html
index b9d5d56..1dccb7a 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo/gr-repo_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-repo/gr-repo_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor_test.html b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor_test.html
index 42e5f32..052eb96 100644
--- a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor_test.html
+++ b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-rule-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-rule-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-rule-editor.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item_test.html b/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item_test.html
index 9bfec19..d26fc17 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-change-list-item.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-change-list-item.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-change-list-item.js';
diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view_test.html b/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view_test.html
index 468cd41..44ebff7 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list-view/gr-change-list-view_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-list-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-list-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-list-view.js';
 const CHANGE_ID = 'IcA3dAB3edAB9f60B8dcdA6ef71A75980e4B7127';
diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list_test.html b/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list_test.html
index 6329666..d077f6b 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list/gr-change-list_test.html
@@ -23,19 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="./gr-change-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-list.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-change-list></gr-change-list>
@@ -49,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help_test.html b/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help_test.html
index 3cbab30..213ac07 100644
--- a/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-create-change-help/gr-create-change-help_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-create-change-help.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-create-change-help.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-create-change-help.js';
diff --git a/polygerrit-ui/app/elements/change-list/gr-create-commands-dialog/gr-create-commands-dialog_test.html b/polygerrit-ui/app/elements/change-list/gr-create-commands-dialog/gr-create-commands-dialog_test.html
index f992b0b..620e6fe 100644
--- a/polygerrit-ui/app/elements/change-list/gr-create-commands-dialog/gr-create-commands-dialog_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-create-commands-dialog/gr-create-commands-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-create-commands-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-create-commands-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-create-commands-dialog.js';
 suite('gr-create-commands-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view_test.html b/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view_test.html
index c879923..8a0cfa0 100644
--- a/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-dashboard-view/gr-dashboard-view_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-dashboard-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-dashboard-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-dashboard-view.js';
 suite('gr-dashboard-view tests', () => {
diff --git a/polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header_test.html b/polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header_test.html
index 02fb715..a075870 100644
--- a/polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-header.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-header.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-header.js';
 suite('gr-repo-header tests', () => {
diff --git a/polygerrit-ui/app/elements/change-list/gr-user-header/gr-user-header_test.html b/polygerrit-ui/app/elements/change-list/gr-user-header/gr-user-header_test.html
index 169c028..aa32a94 100644
--- a/polygerrit-ui/app/elements/change-list/gr-user-header/gr-user-header_test.html
+++ b/polygerrit-ui/app/elements/change-list/gr-user-header/gr-user-header_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-user-header.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-user-header.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-user-header.js';
 suite('gr-user-header tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions_test.html b/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions_test.html
index 7a074a9..5fded0c 100644
--- a/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-change-actions.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-change-actions.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-change-actions.js';
diff --git a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata-it_test.html b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata-it_test.html
index 3ee7219..160b912 100644
--- a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata-it_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata-it_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../plugins/gr-plugin-host/gr-plugin-host.js"></script>
-<script type="module" src="./gr-change-metadata.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../plugins/gr-plugin-host/gr-plugin-host.js';
-import './gr-change-metadata.js';
-void(0);
-</script>
 
 <test-fixture id="element">
   <template>
@@ -49,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../plugins/gr-plugin-host/gr-plugin-host.js';
 import './gr-change-metadata.js';
diff --git a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata_test.html b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata_test.html
index 5fe53f8d..773e6ec 100644
--- a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../core/gr-router/gr-router.js"></script>
-<script type="module" src="./gr-change-metadata.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../core/gr-router/gr-router.js';
-import './gr-change-metadata.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -43,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../core/gr-router/gr-router.js';
 import './gr-change-metadata.js';
diff --git a/polygerrit-ui/app/elements/change/gr-change-requirements/gr-change-requirements_test.html b/polygerrit-ui/app/elements/change/gr-change-requirements/gr-change-requirements_test.html
index 2883f20..3a4ef25 100644
--- a/polygerrit-ui/app/elements/change/gr-change-requirements/gr-change-requirements_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-requirements/gr-change-requirements_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-requirements.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-requirements.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-requirements.js';
 suite('gr-change-metadata tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
index 9f7dd69..24e2fbd 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.html
@@ -23,21 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="../../edit/gr-edit-constants.js"></script>
-<script type="module" src="./gr-change-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../edit/gr-edit-constants.js';
-import './gr-change-view.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-change-view></gr-change-view>
@@ -51,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../edit/gr-edit-constants.js';
 import './gr-change-view.js';
diff --git a/polygerrit-ui/app/elements/change/gr-comment-list/gr-comment-list_test.html b/polygerrit-ui/app/elements/change/gr-comment-list/gr-comment-list_test.html
index 5e8c3ab..c064679 100644
--- a/polygerrit-ui/app/elements/change/gr-comment-list/gr-comment-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-comment-list/gr-comment-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-comment-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-comment-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-comment-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-commit-info/gr-commit-info_test.html b/polygerrit-ui/app/elements/change/gr-commit-info/gr-commit-info_test.html
index f2fdbe0..74d4cca 100644
--- a/polygerrit-ui/app/elements/change/gr-commit-info/gr-commit-info_test.html
+++ b/polygerrit-ui/app/elements/change/gr-commit-info/gr-commit-info_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../core/gr-router/gr-router.js"></script>
-<script type="module" src="./gr-commit-info.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../core/gr-router/gr-router.js';
-import './gr-commit-info.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -43,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../core/gr-router/gr-router.js';
 import './gr-commit-info.js';
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog_test.html
index 522b290..c9bea1c 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-abandon-dialog/gr-confirm-abandon-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-abandon-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-abandon-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-abandon-dialog.js';
 suite('gr-confirm-abandon-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog_test.html
index 58b1182..d78be11 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-conflict-dialog/gr-confirm-cherrypick-conflict-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-cherrypick-conflict-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-cherrypick-conflict-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-cherrypick-conflict-dialog.js';
 suite('gr-confirm-cherrypick-conflict-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog_test.html
index fa9531f..780b2ee 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-cherrypick-dialog/gr-confirm-cherrypick-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-cherrypick-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-cherrypick-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-cherrypick-dialog.js';
 suite('gr-confirm-cherrypick-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog_test.html
index 27c9934..25b110ad 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-move-dialog/gr-confirm-move-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-move-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-move-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-move-dialog.js';
 suite('gr-confirm-move-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog_test.html
index d715fbe3..5cf455f 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-rebase-dialog/gr-confirm-rebase-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-rebase-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-rebase-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-rebase-dialog.js';
 suite('gr-confirm-rebase-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog_test.html
index 1f8837b..fd984ec 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-revert-dialog/gr-confirm-revert-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-revert-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-revert-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-revert-dialog.js';
 suite('gr-confirm-revert-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_test.html
index d84aa4d..cc35d72 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-confirm-revert-submission-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-revert-submission-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-revert-submission-dialog.js';
 suite('gr-confirm-revert-submission-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog_test.html b/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog_test.html
index 5acbbde..dfe1e6e 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-confirm-submit-dialog/gr-confirm-submit-dialog_test.html
@@ -23,19 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="./gr-confirm-submit-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-confirm-submit-dialog.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-confirm-submit-dialog></gr-confirm-submit-dialog>
@@ -43,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-confirm-submit-dialog.js';
 suite('gr-file-list-header tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
index 8a55c21..c2f4963 100644
--- a/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-download-dialog/gr-download-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-download-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-download-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -47,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-download-dialog.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.html b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.html
index 32ecb14..745d25e 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.html
+++ b/polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.html
@@ -23,19 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="./gr-file-list-header.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-file-list-header.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-file-list-header></gr-file-list-header>
@@ -49,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-file-list-header.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list_test.html b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list_test.html
index f3412a7..96db120 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list_test.html
@@ -23,26 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
 <script src="/components/web-component-tester/data/a11ySuite.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
-<script type="module" src="../../diff/gr-comment-api/gr-comment-api.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-<script type="module" src="./gr-file-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../diff/gr-comment-api/gr-comment-api.js';
-import '../../../scripts/util.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-import './gr-file-list.js';
-import '../../diff/gr-comment-api/gr-comment-api-mock_test.js';
-void(0);
-</script>
 
 <dom-module id="comment-api-mock">
   <template>
@@ -51,8 +33,7 @@
         on-reload-drafts="_reloadDraftsWithCallback"></gr-file-list>
     <gr-comment-api id="commentAPI"></gr-comment-api>
   </template>
-  <script type="module" src="../../diff/gr-comment-api/gr-comment-api-mock_test.js"></script>
-</dom-module>
+  </dom-module>
 
 <test-fixture id="basic">
   <template>
@@ -61,7 +42,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../diff/gr-comment-api/gr-comment-api.js';
 import '../../../scripts/util.js';
diff --git a/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog_test.html b/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog_test.html
index deb00bd..c87c54f 100644
--- a/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-included-in-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-included-in-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-included-in-dialog.js';
 suite('gr-included-in-dialog', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-label-score-row/gr-label-score-row_test.html b/polygerrit-ui/app/elements/change/gr-label-score-row/gr-label-score-row_test.html
index 18ba2a5..374472f 100644
--- a/polygerrit-ui/app/elements/change/gr-label-score-row/gr-label-score-row_test.html
+++ b/polygerrit-ui/app/elements/change/gr-label-score-row/gr-label-score-row_test.html
@@ -24,17 +24,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-label-score-row.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-label-score-row.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-label-score-row></gr-label-score-row>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-label-score-row.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-label-scores/gr-label-scores_test.html b/polygerrit-ui/app/elements/change/gr-label-scores/gr-label-scores_test.html
index b6075ee..a01454c0 100644
--- a/polygerrit-ui/app/elements/change/gr-label-scores/gr-label-scores_test.html
+++ b/polygerrit-ui/app/elements/change/gr-label-scores/gr-label-scores_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-label-scores.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-label-scores.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-label-scores.js';
 suite('gr-label-scores tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-message/gr-message_test.html b/polygerrit-ui/app/elements/change/gr-message/gr-message_test.html
index 04f12c2f..8864056 100644
--- a/polygerrit-ui/app/elements/change/gr-message/gr-message_test.html
+++ b/polygerrit-ui/app/elements/change/gr-message/gr-message_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-message.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-message.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-message.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-messages-list/gr-messages-list_test.html b/polygerrit-ui/app/elements/change/gr-messages-list/gr-messages-list_test.html
index 961abb9..a5cc939 100644
--- a/polygerrit-ui/app/elements/change/gr-messages-list/gr-messages-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-messages-list/gr-messages-list_test.html
@@ -23,20 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../diff/gr-comment-api/gr-comment-api.js"></script>
-
-<script type="module" src="./gr-messages-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../diff/gr-comment-api/gr-comment-api.js';
-import './gr-messages-list.js';
-import '../../diff/gr-comment-api/gr-comment-api-mock_test.js';
-void(0);
-</script>
 
 <dom-module id="comment-api-mock">
   <template>
@@ -45,8 +31,7 @@
         change-comments="[[_changeComments]]"></gr-messages-list>
     <gr-comment-api id="commentAPI"></gr-comment-api>
   </template>
-  <script type="module" src="../../diff/gr-comment-api/gr-comment-api-mock_test.js"></script>
-</dom-module>
+  </dom-module>
 
 <test-fixture id="basic">
   <template>
@@ -57,7 +42,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../diff/gr-comment-api/gr-comment-api.js';
 import './gr-messages-list.js';
diff --git a/polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list_test.html b/polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list_test.html
index 43037af..94e0fe5 100644
--- a/polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-related-changes-list/gr-related-changes-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-related-changes-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-related-changes-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-related-changes-list.js';
 suite('gr-related-changes-list tests', () => {
diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog-it_test.html b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog-it_test.html
index 7e651c5..0c9108c 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog-it_test.html
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog-it_test.html
@@ -24,19 +24,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../plugins/gr-plugin-host/gr-plugin-host.js"></script>
-<script type="module" src="./gr-reply-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../plugins/gr-plugin-host/gr-plugin-host.js';
-import './gr-reply-dialog.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-reply-dialog></gr-reply-dialog>
@@ -50,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../plugins/gr-plugin-host/gr-plugin-host.js';
 import './gr-reply-dialog.js';
diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.html b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.html
index 5257ef46..f7361597 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-reply-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-reply-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import {IronOverlayManager} from '@polymer/iron-overlay-behavior/iron-overlay-manager.js';
 import '../../../test/common-test-setup.js';
 import './gr-reply-dialog.js';
diff --git a/polygerrit-ui/app/elements/change/gr-reviewer-list/gr-reviewer-list_test.html b/polygerrit-ui/app/elements/change/gr-reviewer-list/gr-reviewer-list_test.html
index 32e2e9b6..ab60078 100644
--- a/polygerrit-ui/app/elements/change/gr-reviewer-list/gr-reviewer-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-reviewer-list/gr-reviewer-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-reviewer-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-reviewer-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-reviewer-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.html b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.html
index a2c3620..cb6ba28 100644
--- a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.html
+++ b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-thread-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-thread-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-thread-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/change/gr-upload-help-dialog/gr-upload-help-dialog_test.html b/polygerrit-ui/app/elements/change/gr-upload-help-dialog/gr-upload-help-dialog_test.html
index 2aa71c6..bea8113 100644
--- a/polygerrit-ui/app/elements/change/gr-upload-help-dialog/gr-upload-help-dialog_test.html
+++ b/polygerrit-ui/app/elements/change/gr-upload-help-dialog/gr-upload-help-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-upload-help-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-upload-help-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-upload-help-dialog.js';
 suite('gr-upload-help-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown_test.html b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown_test.html
index fa0c7a7..d9d932a 100644
--- a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown_test.html
+++ b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-account-dropdown.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-account-dropdown.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-account-dropdown.js';
 suite('gr-account-dropdown tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog_test.html b/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog_test.html
index 296c6f0..2e6cff0 100644
--- a/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog_test.html
+++ b/polygerrit-ui/app/elements/core/gr-error-dialog/gr-error-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-error-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-error-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-error-dialog.js';
 suite('gr-error-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-error-manager/gr-error-manager_test.html b/polygerrit-ui/app/elements/core/gr-error-manager/gr-error-manager_test.html
index a4a9a7d..1d3b1fe 100644
--- a/polygerrit-ui/app/elements/core/gr-error-manager/gr-error-manager_test.html
+++ b/polygerrit-ui/app/elements/core/gr-error-manager/gr-error-manager_test.html
@@ -23,9 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-error-manager.js"></script>
-
 <script type="module">
 import '../../../test/common-test-setup.js';
 import './gr-error-manager.js';
diff --git a/polygerrit-ui/app/elements/core/gr-key-binding-display/gr-key-binding-display_test.html b/polygerrit-ui/app/elements/core/gr-key-binding-display/gr-key-binding-display_test.html
index bb449c3..1bf0b14 100644
--- a/polygerrit-ui/app/elements/core/gr-key-binding-display/gr-key-binding-display_test.html
+++ b/polygerrit-ui/app/elements/core/gr-key-binding-display/gr-key-binding-display_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-key-binding-display.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-key-binding-display.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-key-binding-display.js';
 suite('gr-key-binding-display tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog_test.html b/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog_test.html
index eedd166..06946c5 100644
--- a/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog_test.html
+++ b/polygerrit-ui/app/elements/core/gr-keyboard-shortcuts-dialog/gr-keyboard-shortcuts-dialog_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-keyboard-shortcuts-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-keyboard-shortcuts-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-keyboard-shortcuts-dialog.js';
 suite('gr-keyboard-shortcuts-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header_test.html b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header_test.html
index 817643b..c641575 100644
--- a/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header_test.html
+++ b/polygerrit-ui/app/elements/core/gr-main-header/gr-main-header_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-main-header.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-main-header.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-main-header.js';
 suite('gr-main-header tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-navigation/gr-navigation_test.html b/polygerrit-ui/app/elements/core/gr-navigation/gr-navigation_test.html
index 8f3c623..33f6215 100644
--- a/polygerrit-ui/app/elements/core/gr-navigation/gr-navigation_test.html
+++ b/polygerrit-ui/app/elements/core/gr-navigation/gr-navigation_test.html
@@ -23,11 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 suite('gr-navigation tests', () => {
   test('invalid patch ranges throw exceptions', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-reporting/gr-reporting_test.html b/polygerrit-ui/app/elements/core/gr-reporting/gr-reporting_test.html
index bd1584e..ea6e8cc 100644
--- a/polygerrit-ui/app/elements/core/gr-reporting/gr-reporting_test.html
+++ b/polygerrit-ui/app/elements/core/gr-reporting/gr-reporting_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-reporting.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-reporting.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-reporting.js';
 suite('gr-reporting tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-router/gr-router_test.html b/polygerrit-ui/app/elements/core/gr-router/gr-router_test.html
index 6ea07a5..5e98011 100644
--- a/polygerrit-ui/app/elements/core/gr-router/gr-router_test.html
+++ b/polygerrit-ui/app/elements/core/gr-router/gr-router_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-router.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-router.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-router.js';
 suite('gr-router tests', () => {
diff --git a/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar_test.html b/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar_test.html
index 1bd0fca..c115946 100644
--- a/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar_test.html
+++ b/polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar_test.html
@@ -23,15 +23,9 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="./gr-search-bar.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-search-bar.js';
 import '../../../scripts/util.js';
@@ -45,7 +39,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-search-bar.js';
 import '../../../scripts/util.js';
@@ -242,4 +235,4 @@
     });
   });
 });
-</script>
\ No newline at end of file
+</script>
diff --git a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.html b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.html
index a0ba203..7cc75bb 100644
--- a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.html
+++ b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-smart-search.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-smart-search.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-smart-search.js';
 suite('gr-smart-search tests', () => {
diff --git a/polygerrit-ui/app/elements/custom-dark-theme_test.html b/polygerrit-ui/app/elements/custom-dark-theme_test.html
index 308e2ee..24d9cdc 100644
--- a/polygerrit-ui/app/elements/custom-dark-theme_test.html
+++ b/polygerrit-ui/app/elements/custom-dark-theme_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../test/test-pre-setup.js"></script>
-<script type="module" src="../test/common-test-setup.js"></script>
-<script type="module" src="./gr-app.js"></script>
-
-<script type="module">
-import '../test/test-pre-setup.js';
-import '../test/common-test-setup.js';
-import './gr-app.js';
-void(0);
-</script>
 
 <test-fixture id="element">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../test/test-pre-setup.js';
 import '../test/common-test-setup.js';
 import './gr-app.js';
 suite('gr-app custom dark theme tests', () => {
diff --git a/polygerrit-ui/app/elements/custom-light-theme_test.html b/polygerrit-ui/app/elements/custom-light-theme_test.html
index 66567be..eb442a6 100644
--- a/polygerrit-ui/app/elements/custom-light-theme_test.html
+++ b/polygerrit-ui/app/elements/custom-light-theme_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../test/test-pre-setup.js"></script>
-<script type="module" src="../test/common-test-setup.js"></script>
-<script type="module" src="./gr-app.js"></script>
-
-<script type="module">
-import '../test/test-pre-setup.js';
-import '../test/common-test-setup.js';
-import './gr-app.js';
-void(0);
-</script>
 
 <test-fixture id="element">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../test/test-pre-setup.js';
 import '../test/common-test-setup.js';
 import './gr-app.js';
 suite('gr-app custom light theme tests', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-apply-fix-dialog/gr-apply-fix-dialog_test.html b/polygerrit-ui/app/elements/diff/gr-apply-fix-dialog/gr-apply-fix-dialog_test.html
index 386f829..2ad35b3 100644
--- a/polygerrit-ui/app/elements/diff/gr-apply-fix-dialog/gr-apply-fix-dialog_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-apply-fix-dialog/gr-apply-fix-dialog_test.html
@@ -17,19 +17,12 @@
 -->
 <meta name='viewport' content='width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes'>
 <title>gr-apply-fix-dialog</title>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-apply-fix-dialog.js"></script>
-
 <script type="module">
 import '../../../test/common-test-setup.js';
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-apply-fix-dialog.js';
 void (0);
@@ -43,7 +36,6 @@
 
 <script type="module">
 import '../../../test/common-test-setup.js';
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-apply-fix-dialog.js';
 suite('gr-apply-fix-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-comment-api/gr-comment-api_test.html b/polygerrit-ui/app/elements/diff/gr-comment-api/gr-comment-api_test.html
index e39319a..cda8de9 100644
--- a/polygerrit-ui/app/elements/diff/gr-comment-api/gr-comment-api_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-comment-api/gr-comment-api_test.html
@@ -23,17 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-comment-api.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-comment-api.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-comment-api.js';
 suite('gr-comment-api tests', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-coverage-layer/gr-coverage-layer_test.html b/polygerrit-ui/app/elements/diff/gr-coverage-layer/gr-coverage-layer_test.html
index 69948c3..cec75fd 100644
--- a/polygerrit-ui/app/elements/diff/gr-coverage-layer/gr-coverage-layer_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-coverage-layer/gr-coverage-layer_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../gr-diff/gr-diff-line.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-coverage-layer.js"></script>
-
-<script type="module">
-import '../gr-diff/gr-diff-line.js';
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-coverage-layer.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +32,6 @@
 
 <script type="module">
 import '../gr-diff/gr-diff-line.js';
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-coverage-layer.js';
 suite('gr-coverage-layer', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-element_test.html b/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-element_test.html
index 07edc7d..d9f8443 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-element_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-element_test.html
@@ -23,31 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-<script type="module" src="../gr-diff/gr-diff-line.js"></script>
-<script type="module" src="../gr-diff/gr-diff-group.js"></script>
-<script type="module" src="../gr-diff-highlight/gr-annotation.js"></script>
-<script type="module" src="./gr-diff-builder.js"></script>
-
-<script type="module" src="../../shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-<script type="module" src="./gr-diff-builder-element.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import '../gr-diff/gr-diff-line.js';
-import '../gr-diff/gr-diff-group.js';
-import '../gr-diff-highlight/gr-annotation.js';
-import './gr-diff-builder.js';
-import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-import './gr-diff-builder-element.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template is="dom-template">
@@ -72,7 +47,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import '../gr-diff/gr-diff-line.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-unified_test.html b/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-unified_test.html
index 0ce9a42..88187fd 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-unified_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-builder/gr-diff-builder-unified_test.html
@@ -23,29 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-<script type="module" src="../gr-diff/gr-diff-line.js"></script>
-<script type="module" src="../gr-diff/gr-diff-group.js"></script>
-<script type="module" src="../gr-diff-highlight/gr-annotation.js"></script>
-<script type="module" src="./gr-diff-builder.js"></script>
-<script type="module" src="./gr-diff-builder-unified.js"></script>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import '../gr-diff/gr-diff-line.js';
-import '../gr-diff/gr-diff-group.js';
-import '../gr-diff-highlight/gr-annotation.js';
-import './gr-diff-builder.js';
-import './gr-diff-builder-unified.js';
-void(0);
-</script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import '../gr-diff/gr-diff-line.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-cursor/gr-diff-cursor_test.html b/polygerrit-ui/app/elements/diff/gr-diff-cursor/gr-diff-cursor_test.html
index 40507db..6d9c828 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-cursor/gr-diff-cursor_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-cursor/gr-diff-cursor_test.html
@@ -23,25 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="../gr-diff/gr-diff.js"></script>
-<script type="module" src="./gr-diff-cursor.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import '../gr-diff/gr-diff.js';
-import './gr-diff-cursor.js';
-import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -59,7 +40,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import '../gr-diff/gr-diff.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-annotation_test.html b/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-annotation_test.html
index 6db0836..357c831 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-annotation_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-annotation_test.html
@@ -23,17 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-annotation.js"></script>
-
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-annotation.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-annotation.js';
 import {sanitizeDOMValue, setSanitizeDOMValue} from '@polymer/polymer/lib/utils/settings.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-diff-highlight_test.html b/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-diff-highlight_test.html
index ca1e2e2..c4f7152 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-diff-highlight_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-highlight/gr-diff-highlight_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-diff-highlight.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-diff-highlight.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -66,8 +56,7 @@
           </tr>
         </tbody>
 
-
-        <tbody class="section both">
+<tbody class="section both">
           <tr class="diff-row side-by-side" left-type="both" right-type="both">
             <td class="left lineNum" data-value="138"></td>
             <td class="content both"><div class="contentText">[14] Nam cum ad me in Cumanum salutandi causa uterque venisset,</div></td>
@@ -153,7 +142,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-highlight.js';
 suite('gr-diff-highlight', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host_test.html b/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host_test.html
index d2097d3..bb4ff3f 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host_test.html
@@ -23,17 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-diff-host.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-diff-host.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-host.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-mode-selector/gr-diff-mode-selector_test.html b/polygerrit-ui/app/elements/diff/gr-diff-mode-selector/gr-diff-mode-selector_test.html
index 921bc74..5ffae8c 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-mode-selector/gr-diff-mode-selector_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-mode-selector/gr-diff-mode-selector_test.html
@@ -23,20 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-diff-mode-selector.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-diff-mode-selector.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-diff-mode-selector.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.html b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.html
index e62abe5..63209c1 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-processor/gr-diff-processor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-diff-processor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-diff-processor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-processor.js';
 suite('gr-diff-processor tests', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-selection/gr-diff-selection_test.html b/polygerrit-ui/app/elements/diff/gr-diff-selection/gr-diff-selection_test.html
index ac3a87f..e9405cb 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-selection/gr-diff-selection_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-selection/gr-diff-selection_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-diff-selection.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-diff-selection.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -113,7 +103,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-selection.js';
 suite('gr-diff-selection', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view_test.html b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view_test.html
index 35aa664..945d729 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view_test.html
@@ -23,20 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-diff-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-diff-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -51,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-diff-view.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-group_test.html b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-group_test.html
index c461e93..cd43803 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-group_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-group_test.html
@@ -22,13 +22,7 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
 
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-diff-line.js"></script>
-<script type="module" src="./gr-diff-group.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-line.js';
 import './gr-diff-group.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff_test.html b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff_test.html
index 884c729..18b4e09 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff_test.html
@@ -23,24 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
 <script src="/components/web-component-tester/data/a11ySuite.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="../../shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-<script type="module" src="./gr-diff.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-import './gr-diff.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -49,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import '../../shared/gr-rest-api-interface/gr-rest-api-interface.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.html b/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.html
index 3c07750..797e279 100644
--- a/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-patch-range-select/gr-patch-range-select_test.html
@@ -23,35 +23,15 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
 
-<script type="module" src="../gr-comment-api/gr-comment-api.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-<script type="module" src="../../shared/revision-info/revision-info.js"></script>
-
-<script type="module" src="./gr-patch-range-select.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-comment-api/gr-comment-api.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-import '../../shared/revision-info/revision-info.js';
-import './gr-patch-range-select.js';
-import '../gr-comment-api/gr-comment-api-mock_test.js';
-void(0);
-</script>
-
 <dom-module id="comment-api-mock">
   <template>
     <gr-patch-range-select id="patchRange" auto
         change-comments="[[_changeComments]]"></gr-patch-range-select>
     <gr-comment-api id="commentAPI"></gr-comment-api>
   </template>
-  <script type="module" src="../gr-comment-api/gr-comment-api-mock_test.js"></script>
-</dom-module>
+  </dom-module>
 
 <test-fixture id="basic">
   <template>
@@ -60,7 +40,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-comment-api/gr-comment-api.js';
 import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-ranged-comment-layer/gr-ranged-comment-layer_test.html b/polygerrit-ui/app/elements/diff/gr-ranged-comment-layer/gr-ranged-comment-layer_test.html
index d2d97de..5414ba2 100644
--- a/polygerrit-ui/app/elements/diff/gr-ranged-comment-layer/gr-ranged-comment-layer_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-ranged-comment-layer/gr-ranged-comment-layer_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../gr-diff/gr-diff-line.js"></script>
-
-<script type="module" src="./gr-ranged-comment-layer.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-diff/gr-diff-line.js';
-import './gr-ranged-comment-layer.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-diff/gr-diff-line.js';
 import './gr-ranged-comment-layer.js';
diff --git a/polygerrit-ui/app/elements/diff/gr-selection-action-box/gr-selection-action-box_test.html b/polygerrit-ui/app/elements/diff/gr-selection-action-box/gr-selection-action-box_test.html
index c0c711a..bc8484d 100644
--- a/polygerrit-ui/app/elements/diff/gr-selection-action-box/gr-selection-action-box_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-selection-action-box/gr-selection-action-box_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-selection-action-box.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-selection-action-box.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +34,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-selection-action-box.js';
 suite('gr-selection-action-box', () => {
diff --git a/polygerrit-ui/app/elements/diff/gr-syntax-layer/gr-syntax-layer_test.html b/polygerrit-ui/app/elements/diff/gr-syntax-layer/gr-syntax-layer_test.html
index aa49f71..2385067 100644
--- a/polygerrit-ui/app/elements/diff/gr-syntax-layer/gr-syntax-layer_test.html
+++ b/polygerrit-ui/app/elements/diff/gr-syntax-layer/gr-syntax-layer_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../shared/gr-rest-api-interface/mock-diff-response_test.js"></script>
-<script type="module" src="./gr-syntax-layer.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
-import './gr-syntax-layer.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -43,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../shared/gr-rest-api-interface/mock-diff-response_test.js';
 import './gr-syntax-layer.js';
diff --git a/polygerrit-ui/app/elements/documentation/gr-documentation-search/gr-documentation-search_test.html b/polygerrit-ui/app/elements/documentation/gr-documentation-search/gr-documentation-search_test.html
index 9c3a08d..1a238e8 100644
--- a/polygerrit-ui/app/elements/documentation/gr-documentation-search/gr-documentation-search_test.html
+++ b/polygerrit-ui/app/elements/documentation/gr-documentation-search/gr-documentation-search_test.html
@@ -24,16 +24,6 @@
 <script src="/node_modules/page/page.js"></script>
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-documentation-search.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-documentation-search.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-documentation-search.js';
 let counter;
diff --git a/polygerrit-ui/app/elements/edit/gr-default-editor/gr-default-editor_test.html b/polygerrit-ui/app/elements/edit/gr-default-editor/gr-default-editor_test.html
index 043f656..30cfe39 100644
--- a/polygerrit-ui/app/elements/edit/gr-default-editor/gr-default-editor_test.html
+++ b/polygerrit-ui/app/elements/edit/gr-default-editor/gr-default-editor_test.html
@@ -22,17 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-default-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-default-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-default-editor.js';
 suite('gr-default-editor tests', () => {
diff --git a/polygerrit-ui/app/elements/edit/gr-edit-controls/gr-edit-controls_test.html b/polygerrit-ui/app/elements/edit/gr-edit-controls/gr-edit-controls_test.html
index 034a7a7..dc019c3 100644
--- a/polygerrit-ui/app/elements/edit/gr-edit-controls/gr-edit-controls_test.html
+++ b/polygerrit-ui/app/elements/edit/gr-edit-controls/gr-edit-controls_test.html
@@ -22,17 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-edit-controls.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-edit-controls.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-edit-controls.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls_test.html b/polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls_test.html
index d694226..46a336f 100644
--- a/polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls_test.html
+++ b/polygerrit-ui/app/elements/edit/gr-edit-file-controls/gr-edit-file-controls_test.html
@@ -22,19 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="../gr-edit-constants.js"></script>
-<script type="module" src="./gr-edit-file-controls.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-edit-constants.js';
-import './gr-edit-file-controls.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -43,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-edit-constants.js';
 import './gr-edit-file-controls.js';
diff --git a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.html b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.html
index 8c0d491..4659065 100644
--- a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.html
+++ b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.html
@@ -22,17 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-editor-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-editor-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-editor-view.js';
 suite('gr-editor-view tests', () => {
diff --git a/polygerrit-ui/app/elements/gr-app_test.html b/polygerrit-ui/app/elements/gr-app_test.html
index 447aae4..71ebaa7 100644
--- a/polygerrit-ui/app/elements/gr-app_test.html
+++ b/polygerrit-ui/app/elements/gr-app_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../test/test-pre-setup.js"></script>
-<script type="module" src="../test/common-test-setup.js"></script>
-<script type="module" src="./gr-app.js"></script>
-
-<script type="module">
-import '../test/test-pre-setup.js';
-import '../test/common-test-setup.js';
-import './gr-app.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../test/test-pre-setup.js';
 import '../test/common-test-setup.js';
 import './gr-app.js';
 suite('gr-app tests', () => {
diff --git a/polygerrit-ui/app/elements/plugins/gr-admin-api/gr-admin-api_test.html b/polygerrit-ui/app/elements/plugins/gr-admin-api/gr-admin-api_test.html
index 21e46b8..de1fc86 100644
--- a/polygerrit-ui/app/elements/plugins/gr-admin-api/gr-admin-api_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-admin-api/gr-admin-api_test.html
@@ -23,21 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../shared/gr-js-api-interface/gr-js-api-interface.js"></script>
-<script type="module" src="./gr-admin-api.js"></script>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
-import './gr-admin-api.js';
-void(0);
-</script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
 import './gr-admin-api.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-attribute-helper/gr-attribute-helper_test.html b/polygerrit-ui/app/elements/plugins/gr-attribute-helper/gr-attribute-helper_test.html
index cfb51f0..fd2fd5b 100644
--- a/polygerrit-ui/app/elements/plugins/gr-attribute-helper/gr-attribute-helper_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-attribute-helper/gr-attribute-helper_test.html
@@ -23,20 +23,9 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-attribute-helper.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-attribute-helper.js';
-void(0);
-</script>
 
 <dom-element id="some-element">
   <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-attribute-helper.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
@@ -60,7 +49,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-attribute-helper.js';
 suite('gr-attribute-helper tests', () => {
diff --git a/polygerrit-ui/app/elements/plugins/gr-dom-hooks/gr-dom-hooks_test.html b/polygerrit-ui/app/elements/plugins/gr-dom-hooks/gr-dom-hooks_test.html
index 8e23b0d..70d7a7d 100644
--- a/polygerrit-ui/app/elements/plugins/gr-dom-hooks/gr-dom-hooks_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-dom-hooks/gr-dom-hooks_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-dom-hooks.js"></script>
-<script type="module" src="../../shared/gr-js-api-interface/gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-dom-hooks.js';
-import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -43,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-dom-hooks.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator_test.html b/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator_test.html
index fcac174..d167446 100644
--- a/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-endpoint-decorator/gr-endpoint-decorator_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-endpoint-decorator.js"></script>
-<script type="module" src="../gr-endpoint-param/gr-endpoint-param.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-endpoint-decorator.js';
-import '../gr-endpoint-param/gr-endpoint-param.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -53,7 +41,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-endpoint-decorator.js';
 import '../gr-endpoint-param/gr-endpoint-param.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-event-helper/gr-event-helper_test.html b/polygerrit-ui/app/elements/plugins/gr-event-helper/gr-event-helper_test.html
index 8eebe33..bd61a96 100644
--- a/polygerrit-ui/app/elements/plugins/gr-event-helper/gr-event-helper_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-event-helper/gr-event-helper_test.html
@@ -23,20 +23,9 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-event-helper.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-event-helper.js';
-void(0);
-</script>
 
 <dom-element id="some-element">
   <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-event-helper.js';
 import {Polymer} from '@polymer/polymer/lib/legacy/polymer-fn.js';
@@ -65,7 +54,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-event-helper.js';
 import {addListener} from '@polymer/polymer/lib/utils/gestures.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-external-style/gr-external-style_test.html b/polygerrit-ui/app/elements/plugins/gr-external-style/gr-external-style_test.html
index 7b76f63..a6c8111 100644
--- a/polygerrit-ui/app/elements/plugins/gr-external-style/gr-external-style_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-external-style/gr-external-style_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-external-style.js"></script>
-
 <test-fixture id="basic">
   <template>
     <gr-external-style name="foo"></gr-external-style>
@@ -34,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-external-style.js';
 suite('gr-external-style integration tests', () => {
diff --git a/polygerrit-ui/app/elements/plugins/gr-plugin-host/gr-plugin-host_test.html b/polygerrit-ui/app/elements/plugins/gr-plugin-host/gr-plugin-host_test.html
index 894c8b4..008b274 100644
--- a/polygerrit-ui/app/elements/plugins/gr-plugin-host/gr-plugin-host_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-plugin-host/gr-plugin-host_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-plugin-host.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-plugin-host.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-plugin-host.js';
 suite('gr-plugin-host tests', () => {
diff --git a/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-plugin-popup_test.html b/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-plugin-popup_test.html
index 00bbd52..2e65365 100644
--- a/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-plugin-popup_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-plugin-popup_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-plugin-popup.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-plugin-popup.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-plugin-popup.js';
 suite('gr-plugin-popup tests', () => {
diff --git a/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-popup-interface_test.html b/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-popup-interface_test.html
index aeef29a..661058e 100644
--- a/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-popup-interface_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-popup-interface_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-popup-interface.js"></script>
-<script type="module" src="../../shared/gr-js-api-interface/gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-popup-interface.js';
-import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="container">
   <template>
@@ -47,7 +35,6 @@
     <div id="barfoo">some test module</div>
   </template>
   <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-popup-interface.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
@@ -57,7 +44,6 @@
 </dom-module>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-popup-interface.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-repo-api/gr-repo-api_test.html b/polygerrit-ui/app/elements/plugins/gr-repo-api/gr-repo-api_test.html
index c177715..0eed6d9 100644
--- a/polygerrit-ui/app/elements/plugins/gr-repo-api/gr-repo-api_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-repo-api/gr-repo-api_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../gr-endpoint-decorator/gr-endpoint-decorator.js"></script>
-<script type="module" src="./gr-repo-api.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
-import './gr-repo-api.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +32,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
 import './gr-repo-api.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-settings-api/gr-settings-api_test.html b/polygerrit-ui/app/elements/plugins/gr-settings-api/gr-settings-api_test.html
index b0dbc3c..e4c643a 100644
--- a/polygerrit-ui/app/elements/plugins/gr-settings-api/gr-settings-api_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-settings-api/gr-settings-api_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../gr-endpoint-decorator/gr-endpoint-decorator.js"></script>
-<script type="module" src="./gr-settings-api.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
-import './gr-settings-api.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -46,7 +34,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
 import './gr-settings-api.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-styles-api/gr-styles-api_test.html b/polygerrit-ui/app/elements/plugins/gr-styles-api/gr-styles-api_test.html
index a69db8d..4901a37 100644
--- a/polygerrit-ui/app/elements/plugins/gr-styles-api/gr-styles-api_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-styles-api/gr-styles-api_test.html
@@ -23,25 +23,12 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../shared/gr-js-api-interface/gr-js-api-interface.js"></script>
-<script type="module" src="./gr-styles-api.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
-import './gr-styles-api.js';
-void(0);
-</script>
 
 <dom-module id="gr-style-test-element">
   <template>
     <div id="wrapper"></div>
   </template>
   <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
 import './gr-styles-api.js';
@@ -51,7 +38,6 @@
 </dom-module>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../shared/gr-js-api-interface/gr-js-api-interface.js';
 import './gr-styles-api.js';
diff --git a/polygerrit-ui/app/elements/plugins/gr-theme-api/gr-theme-api_test.html b/polygerrit-ui/app/elements/plugins/gr-theme-api/gr-theme-api_test.html
index 6428f90..83ea1bd 100644
--- a/polygerrit-ui/app/elements/plugins/gr-theme-api/gr-theme-api_test.html
+++ b/polygerrit-ui/app/elements/plugins/gr-theme-api/gr-theme-api_test.html
@@ -23,18 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../gr-endpoint-decorator/gr-endpoint-decorator.js"></script>
-<script type="module" src="./gr-theme-api.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
-import './gr-theme-api.js';
-void(0);
-</script>
 
 <test-fixture id="header-title">
   <template>
@@ -45,7 +33,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-endpoint-decorator/gr-endpoint-decorator.js';
 import './gr-theme-api.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info_test.html b/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info_test.html
index 640ae37..14bc5de 100644
--- a/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-account-info.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-account-info.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-account-info.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-agreements-list/gr-agreements-list_test.html b/polygerrit-ui/app/elements/settings/gr-agreements-list/gr-agreements-list_test.html
index 4aa917b..0a008a4 100644
--- a/polygerrit-ui/app/elements/settings/gr-agreements-list/gr-agreements-list_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-agreements-list/gr-agreements-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-agreements-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-agreements-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-agreements-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-change-table-editor/gr-change-table-editor_test.html b/polygerrit-ui/app/elements/settings/gr-change-table-editor/gr-change-table-editor_test.html
index 1d60384..287ac3b 100644
--- a/polygerrit-ui/app/elements/settings/gr-change-table-editor/gr-change-table-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-change-table-editor/gr-change-table-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-table-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-table-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-table-editor.js';
 suite('gr-change-table-editor tests', () => {
diff --git a/polygerrit-ui/app/elements/settings/gr-cla-view/gr-cla-view_test.html b/polygerrit-ui/app/elements/settings/gr-cla-view/gr-cla-view_test.html
index 50f82e2..a1874db 100644
--- a/polygerrit-ui/app/elements/settings/gr-cla-view/gr-cla-view_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-cla-view/gr-cla-view_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-cla-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-cla-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-cla-view.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-edit-preferences/gr-edit-preferences_test.html b/polygerrit-ui/app/elements/settings/gr-edit-preferences/gr-edit-preferences_test.html
index b73b14f..47e295c 100644
--- a/polygerrit-ui/app/elements/settings/gr-edit-preferences/gr-edit-preferences_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-edit-preferences/gr-edit-preferences_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-edit-preferences.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-edit-preferences.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-edit-preferences.js';
 suite('gr-edit-preferences tests', () => {
diff --git a/polygerrit-ui/app/elements/settings/gr-email-editor/gr-email-editor_test.html b/polygerrit-ui/app/elements/settings/gr-email-editor/gr-email-editor_test.html
index 196f8a9..dbdd2d6 100644
--- a/polygerrit-ui/app/elements/settings/gr-email-editor/gr-email-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-email-editor/gr-email-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-email-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-email-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-email-editor.js';
 suite('gr-email-editor tests', () => {
diff --git a/polygerrit-ui/app/elements/settings/gr-gpg-editor/gr-gpg-editor_test.html b/polygerrit-ui/app/elements/settings/gr-gpg-editor/gr-gpg-editor_test.html
index 5c95222..c9daa89 100644
--- a/polygerrit-ui/app/elements/settings/gr-gpg-editor/gr-gpg-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-gpg-editor/gr-gpg-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-gpg-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-gpg-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-gpg-editor.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-group-list/gr-group-list_test.html b/polygerrit-ui/app/elements/settings/gr-group-list/gr-group-list_test.html
index 205b413..52a3edc 100644
--- a/polygerrit-ui/app/elements/settings/gr-group-list/gr-group-list_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-group-list/gr-group-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-group-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-group-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-group-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-http-password/gr-http-password_test.html b/polygerrit-ui/app/elements/settings/gr-http-password/gr-http-password_test.html
index 57c8622..b31fa50 100644
--- a/polygerrit-ui/app/elements/settings/gr-http-password/gr-http-password_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-http-password/gr-http-password_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-http-password.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-http-password.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-http-password.js';
 suite('gr-http-password tests', () => {
diff --git a/polygerrit-ui/app/elements/settings/gr-identities/gr-identities_test.html b/polygerrit-ui/app/elements/settings/gr-identities/gr-identities_test.html
index acf4507..5c40b47 100644
--- a/polygerrit-ui/app/elements/settings/gr-identities/gr-identities_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-identities/gr-identities_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-identities.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-identities.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-identities.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-menu-editor/gr-menu-editor_test.html b/polygerrit-ui/app/elements/settings/gr-menu-editor/gr-menu-editor_test.html
index 930255c..b3e9a15 100644
--- a/polygerrit-ui/app/elements/settings/gr-menu-editor/gr-menu-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-menu-editor/gr-menu-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-menu-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-menu-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-menu-editor.js';
 import {flush as flush$0} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog_test.html b/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog_test.html
index 9aaaaa7..501dae5 100644
--- a/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-registration-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-registration-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -47,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-registration-dialog.js';
 suite('gr-registration-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
index a014c96..b6e59ae 100644
--- a/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-settings-view/gr-settings-view_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-settings-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-settings-view.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -47,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-settings-view.js';
 import {flush, dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-ssh-editor/gr-ssh-editor_test.html b/polygerrit-ui/app/elements/settings/gr-ssh-editor/gr-ssh-editor_test.html
index 4312d9a..ed1a7ca 100644
--- a/polygerrit-ui/app/elements/settings/gr-ssh-editor/gr-ssh-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-ssh-editor/gr-ssh-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-ssh-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-ssh-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-ssh-editor.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/settings/gr-watched-projects-editor/gr-watched-projects-editor_test.html b/polygerrit-ui/app/elements/settings/gr-watched-projects-editor/gr-watched-projects-editor_test.html
index a02afcb..2bf0ca7 100644
--- a/polygerrit-ui/app/elements/settings/gr-watched-projects-editor/gr-watched-projects-editor_test.html
+++ b/polygerrit-ui/app/elements/settings/gr-watched-projects-editor/gr-watched-projects-editor_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-watched-projects-editor.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-watched-projects-editor.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-watched-projects-editor.js';
 suite('gr-watched-projects-editor tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry_test.html b/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry_test.html
index 7ef07d5..6e8b493 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-entry/gr-account-entry_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-account-entry.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-account-entry.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-account-entry.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.html b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.html
index fd16350..ffe9647 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-account-label.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-account-label.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-account-label.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-account-link/gr-account-link_test.html b/polygerrit-ui/app/elements/shared/gr-account-link/gr-account-link_test.html
index ff89a78..dc9cbda 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-link/gr-account-link_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-link/gr-account-link_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-account-link.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-account-link.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-account-link.js';
 suite('gr-account-link tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.html b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.html
index 1fc78ea..799670e 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-list/gr-account-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-account-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-account-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-account-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-alert/gr-alert_test.html b/polygerrit-ui/app/elements/shared/gr-alert/gr-alert_test.html
index d291fc7..582dcf9 100644
--- a/polygerrit-ui/app/elements/shared/gr-alert/gr-alert_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-alert/gr-alert_test.html
@@ -23,12 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-alert.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-alert.js';
 suite('gr-alert tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown_test.html b/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown_test.html
index a18fcac..4f3d806 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete-dropdown/gr-autocomplete-dropdown_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-autocomplete-dropdown.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-autocomplete-dropdown.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-autocomplete-dropdown.js';
 suite('gr-autocomplete-dropdown', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
index 8a8f2f5..68de4fc 100644
--- a/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-autocomplete/gr-autocomplete_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-autocomplete.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-autocomplete.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-autocomplete.js';
 import {dom, flush as flush$0} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
index 2cec20e..f64f163 100644
--- a/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-avatar/gr-avatar_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-avatar.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-avatar.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-avatar.js';
 suite('gr-avatar tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-button/gr-button_test.html b/polygerrit-ui/app/elements/shared/gr-button/gr-button_test.html
index f2ce4ba..9454d15 100644
--- a/polygerrit-ui/app/elements/shared/gr-button/gr-button_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-button/gr-button_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-button.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-button.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -55,7 +45,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-button.js';
 import {addListener} from '@polymer/polymer/lib/utils/gestures.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star_test.html b/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star_test.html
index aa138d3..66bbd36 100644
--- a/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-change-star/gr-change-star_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-star.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-star.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-star.js';
 suite('gr-change-star tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-change-status/gr-change-status_test.html b/polygerrit-ui/app/elements/shared/gr-change-status/gr-change-status_test.html
index 819411f..48c1495 100644
--- a/polygerrit-ui/app/elements/shared/gr-change-status/gr-change-status_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-change-status/gr-change-status_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-change-status.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-change-status.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-change-status.js';
 const WIP_TOOLTIP = 'This change isn\'t ready to be reviewed or submitted. ' +
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.html b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.html
index bb71869..895866b 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-comment-thread.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-comment-thread.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -50,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-comment-thread.js';
@@ -781,4 +767,4 @@
     assert.notOk(element.hasAttribute('range'));
   });
 });
-</script>
\ No newline at end of file
+</script>
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.html b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.html
index 96d497e..756e6fd 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.html
@@ -23,20 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <script src="/node_modules/page/page.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-comment.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-comment.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -51,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-comment.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard_test.html b/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard_test.html
index a39e4c7..84cb166 100644
--- a/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-copy-clipboard.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-copy-clipboard.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-copy-clipboard.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-count-string-formatter/gr-count-string-formatter_test.html b/polygerrit-ui/app/elements/shared/gr-count-string-formatter/gr-count-string-formatter_test.html
index 9981d45..ead0191 100644
--- a/polygerrit-ui/app/elements/shared/gr-count-string-formatter/gr-count-string-formatter_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-count-string-formatter/gr-count-string-formatter_test.html
@@ -23,12 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-count-string-formatter.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-count-string-formatter.js';
 suite('gr-count-string-formatter tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-cursor-manager/gr-cursor-manager_test.html b/polygerrit-ui/app/elements/shared/gr-cursor-manager/gr-cursor-manager_test.html
index 5264464..2f56ea6 100644
--- a/polygerrit-ui/app/elements/shared/gr-cursor-manager/gr-cursor-manager_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-cursor-manager/gr-cursor-manager_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-cursor-manager.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-cursor-manager.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -47,7 +37,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-cursor-manager.js';
 suite('gr-cursor-manager tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-date-formatter/gr-date-formatter_test.html b/polygerrit-ui/app/elements/shared/gr-date-formatter/gr-date-formatter_test.html
index 65f2248..867f5d38 100644
--- a/polygerrit-ui/app/elements/shared/gr-date-formatter/gr-date-formatter_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-date-formatter/gr-date-formatter_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-date-formatter.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-date-formatter.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-date-formatter.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog_test.html b/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog_test.html
index 87e31a0..ded607f 100644
--- a/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-dialog/gr-dialog_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-dialog.js';
 suite('gr-dialog tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-diff-preferences/gr-diff-preferences_test.html b/polygerrit-ui/app/elements/shared/gr-diff-preferences/gr-diff-preferences_test.html
index 0387b89..5607a3d 100644
--- a/polygerrit-ui/app/elements/shared/gr-diff-preferences/gr-diff-preferences_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-diff-preferences/gr-diff-preferences_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-diff-preferences.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-diff-preferences.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-diff-preferences.js';
 suite('gr-diff-preferences tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-download-commands/gr-download-commands_test.html b/polygerrit-ui/app/elements/shared/gr-download-commands/gr-download-commands_test.html
index a39a433..f63ac0c 100644
--- a/polygerrit-ui/app/elements/shared/gr-download-commands/gr-download-commands_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-download-commands/gr-download-commands_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-download-commands.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-download-commands.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-download-commands.js';
 suite('gr-download-commands', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-dropdown-list/gr-dropdown-list_test.html b/polygerrit-ui/app/elements/shared/gr-dropdown-list/gr-dropdown-list_test.html
index b3fda65..7d39f9e 100644
--- a/polygerrit-ui/app/elements/shared/gr-dropdown-list/gr-dropdown-list_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-dropdown-list/gr-dropdown-list_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-dropdown-list.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-dropdown-list.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-dropdown-list.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown_test.html b/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown_test.html
index dcbab4d..a05634bce 100644
--- a/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-dropdown.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-dropdown.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-dropdown.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content_test.html b/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content_test.html
index 8f3b4d3..8b9f39d 100644
--- a/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-editable-content/gr-editable-content_test.html
@@ -23,8 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!-- Can't use absolute path below for mock-interaction.js.
 Web component tester(wct) has a built-in http server and it serves "/components" directory (which is
 actually /node_modules directory). Also, wct patches some files to load modules from /components.
@@ -33,15 +31,6 @@
 -->
 <script src="../../../node_modules/iron-test-helpers/mock-interactions.js"></script>
 
-<script type="module" src="./gr-editable-content.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-editable-content.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-editable-content></gr-editable-content>
@@ -49,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-editable-content.js';
 suite('gr-editable-content tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-editable-label/gr-editable-label_test.html b/polygerrit-ui/app/elements/shared/gr-editable-label/gr-editable-label_test.html
index 29e6619..ef392df 100644
--- a/polygerrit-ui/app/elements/shared/gr-editable-label/gr-editable-label_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-editable-label/gr-editable-label_test.html
@@ -23,8 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!-- Can't use absolute path below for mock-interaction.js.
 Web component tester(wct) has a built-in http server and it serves "/components" directory (which is
 actually /node_modules directory). Also, wct patches some files to load modules from /components.
@@ -33,15 +31,6 @@
 -->
 <script src="../../../node_modules/iron-test-helpers/mock-interactions.js"></script>
 
-<script type="module" src="./gr-editable-label.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-editable-label.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-editable-label
@@ -66,7 +55,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-editable-label.js';
 import {flush as flush$0} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-event-interface/gr-event-interface_test.html b/polygerrit-ui/app/elements/shared/gr-event-interface/gr-event-interface_test.html
index a58df2e..7201ba4 100644
--- a/polygerrit-ui/app/elements/shared/gr-event-interface/gr-event-interface_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-event-interface/gr-event-interface_test.html
@@ -21,16 +21,6 @@
 
 <script src="../../../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../gr-js-api-interface/gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../gr-js-api-interface/gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -39,7 +29,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../gr-js-api-interface/gr-js-api-interface.js';
 suite('gr-event-interface tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-fixed-panel/gr-fixed-panel_test.html b/polygerrit-ui/app/elements/shared/gr-fixed-panel/gr-fixed-panel_test.html
index e2f77c5..cc2fb70 100644
--- a/polygerrit-ui/app/elements/shared/gr-fixed-panel/gr-fixed-panel_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-fixed-panel/gr-fixed-panel_test.html
@@ -23,9 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-fixed-panel.js"></script>
 <style>
   /* Prevent horizontal scrolling on page.
    New version of web-component-tester creates body with margins */
@@ -35,13 +32,6 @@
   }
 </style>
 
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-fixed-panel.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-fixed-panel>
@@ -51,7 +41,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-fixed-panel.js';
 suite('gr-fixed-panel', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-formatted-text/gr-formatted-text_test.html b/polygerrit-ui/app/elements/shared/gr-formatted-text/gr-formatted-text_test.html
index 56bd44ab..c48ec8a 100644
--- a/polygerrit-ui/app/elements/shared/gr-formatted-text/gr-formatted-text_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-formatted-text/gr-formatted-text_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-formatted-text.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-formatted-text.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-formatted-text.js';
 suite('gr-formatted-text tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard_test.html b/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard_test.html
index ed087ca..1ffed0a 100644
--- a/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-hovercard/gr-hovercard_test.html
@@ -23,8 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!-- Can't use absolute path below for mock-interaction.js.
 Web component tester(wct) has a built-in http server and it serves "/components" directory (which is
 actually /node_modules directory). Also, wct patches some files to load modules from /components.
@@ -33,15 +31,6 @@
 -->
 <script src="../../../node_modules/iron-test-helpers/mock-interactions.js"></script>
 
-<script type="module" src="./gr-hovercard.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-hovercard.js';
-void(0);
-</script>
-
 <button id="foo">Hello</button>
 <test-fixture id="basic">
   <template>
@@ -50,7 +39,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-hovercard.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-context_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-context_test.html
index c044327..c4c9043 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-context_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-context_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../diff/gr-diff-highlight/gr-annotation.js"></script>
-
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../diff/gr-diff-highlight/gr-annotation.js';
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +32,6 @@
 
 <script type="module">
 import '../../diff/gr-diff-highlight/gr-annotation.js';
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-annotation-actions-context tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-js-api_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-js-api_test.html
index 061f22c..13aa6f4 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-js-api_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-annotation-actions-js-api_test.html
@@ -23,10 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../change/gr-change-actions/gr-change-actions.js"></script>
-
 <test-fixture id="basic">
   <template>
     <span hidden id="annotation-span">
@@ -39,7 +35,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../change/gr-change-actions/gr-change-actions.js';
 suite('gr-annotation-actions-js-api tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-api-utils_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-api-utils_test.html
index 154d287..9586ccb 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-api-utils_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-api-utils_test.html
@@ -23,19 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 const PRELOADED_PROTOCOL = 'preloaded:';
@@ -92,4 +81,4 @@
     });
   });
 });
-</script>
\ No newline at end of file
+</script>
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-actions-js-api_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-actions-js-api_test.html
index 1425f71..b5cbd97 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-actions-js-api_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-actions-js-api_test.html
@@ -23,20 +23,10 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!--
 This must refer to the element this interface is wrapping around. Otherwise
 breaking changes to gr-change-actions won’t be noticed.
 -->
-<script type="module" src="../../change/gr-change-actions/gr-change-actions.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../change/gr-change-actions/gr-change-actions.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +35,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../change/gr-change-actions/gr-change-actions.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-reply-js-api_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-reply-js-api_test.html
index 3a1c51c..edc31b8 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-reply-js-api_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-change-reply-js-api_test.html
@@ -23,20 +23,10 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!--
 This must refer to the element this interface is wrapping around. Otherwise
 breaking changes to gr-reply-dialog won’t be noticed.
 -->
-<script type="module" src="../../change/gr-reply-dialog/gr-reply-dialog.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../change/gr-reply-dialog/gr-reply-dialog.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +35,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../change/gr-reply-dialog/gr-reply-dialog.js';
 suite('gr-change-reply-js-api tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-gerrit_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-gerrit_test.html
index 57f0646..d289368 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-gerrit_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-gerrit_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-gerrit tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface_test.html
index 1fff4a9..e626e33 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-js-api-interface tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-action-context_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-action-context_test.html
index 3ba2acc..48b2438 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-action-context_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-action-context_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-endpoints_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-endpoints_test.html
index 94bb771..39c3385 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-endpoints_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-endpoints_test.html
@@ -23,19 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-plugin-endpoints tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-loader_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-loader_test.html
index 46914dc..4440fc8 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-loader_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-loader_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-js-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-plugin-loader tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.html b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.html
index 64c31d7..8963821 100644
--- a/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-plugin-rest-api_test.html
@@ -23,12 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-js-api-interface.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-js-api-interface.js';
 suite('gr-plugin-rest-api tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-label-info/gr-label-info_test.html b/polygerrit-ui/app/elements/shared/gr-label-info/gr-label-info_test.html
index 44627ab..f7e9a70 100644
--- a/polygerrit-ui/app/elements/shared/gr-label-info/gr-label-info_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-label-info/gr-label-info_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-label-info.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-label-info.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-label-info.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-labeled-autocomplete/gr-labeled-autocomplete_test.html b/polygerrit-ui/app/elements/shared/gr-labeled-autocomplete/gr-labeled-autocomplete_test.html
index cd58932..7e83aaf 100644
--- a/polygerrit-ui/app/elements/shared/gr-labeled-autocomplete/gr-labeled-autocomplete_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-labeled-autocomplete/gr-labeled-autocomplete_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-labeled-autocomplete.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-labeled-autocomplete.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-labeled-autocomplete.js';
 suite('gr-labeled-autocomplete tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-lib-loader/gr-lib-loader_test.html b/polygerrit-ui/app/elements/shared/gr-lib-loader/gr-lib-loader_test.html
index 1f726b3..89672a1 100644
--- a/polygerrit-ui/app/elements/shared/gr-lib-loader/gr-lib-loader_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-lib-loader/gr-lib-loader_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-lib-loader.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-lib-loader.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-lib-loader.js';
 suite('gr-lib-loader tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-limited-text/gr-limited-text_test.html b/polygerrit-ui/app/elements/shared/gr-limited-text/gr-limited-text_test.html
index 8240cbf..1c6358c 100644
--- a/polygerrit-ui/app/elements/shared/gr-limited-text/gr-limited-text_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-limited-text/gr-limited-text_test.html
@@ -23,17 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-limited-text.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-limited-text.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-limited-text.js';
 suite('gr-limited-text tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip_test.html b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip_test.html
index af8d217..0ba6194 100644
--- a/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-linked-chip/gr-linked-chip_test.html
@@ -23,8 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
 <!-- Can't use absolute path below for mock-interaction.js.
 Web component tester(wct) has a built-in http server and it serves "/components" directory (which is
 actually /node_modules directory). Also, wct patches some files to load modules from /components.
@@ -33,15 +31,6 @@
 -->
 <script src="../../../node_modules/iron-test-helpers/mock-interactions.js"></script>
 
-<script type="module" src="./gr-linked-chip.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-linked-chip.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-linked-chip></gr-linked-chip>
@@ -49,7 +38,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-linked-chip.js';
 suite('gr-linked-chip tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-linked-text/gr-linked-text_test.html b/polygerrit-ui/app/elements/shared/gr-linked-text/gr-linked-text_test.html
index b16acf4..381b332 100644
--- a/polygerrit-ui/app/elements/shared/gr-linked-text/gr-linked-text_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-linked-text/gr-linked-text_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-linked-text.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-linked-text.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -46,7 +33,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-linked-text.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.html b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.html
index cd45650..accf73e 100644
--- a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.html
@@ -24,17 +24,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-list-view.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-list-view.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-list-view></gr-list-view>
@@ -42,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-list-view.js';
 suite('gr-list-view tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-overlay/gr-overlay_test.html b/polygerrit-ui/app/elements/shared/gr-overlay/gr-overlay_test.html
index 72f01fb..52bba7a 100644
--- a/polygerrit-ui/app/elements/shared/gr-overlay/gr-overlay_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-overlay/gr-overlay_test.html
@@ -25,18 +25,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-overlay.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-overlay.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-overlay>
@@ -46,7 +34,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-overlay.js';
 suite('gr-overlay tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-page-nav/gr-page-nav_test.html b/polygerrit-ui/app/elements/shared/gr-page-nav/gr-page-nav_test.html
index 4f47b95..c1f7ace 100644
--- a/polygerrit-ui/app/elements/shared/gr-page-nav/gr-page-nav_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-page-nav/gr-page-nav_test.html
@@ -25,18 +25,6 @@
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
 
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-page-nav.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-page-nav.js';
-void(0);
-</script>
-
 <test-fixture id="basic">
   <template>
     <gr-page-nav>
@@ -48,7 +36,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-page-nav.js';
 suite('gr-page-nav tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-repo-branch-picker/gr-repo-branch-picker_test.html b/polygerrit-ui/app/elements/shared/gr-repo-branch-picker/gr-repo-branch-picker_test.html
index 191b5d5..8e50b09 100644
--- a/polygerrit-ui/app/elements/shared/gr-repo-branch-picker/gr-repo-branch-picker_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-repo-branch-picker/gr-repo-branch-picker_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-repo-branch-picker.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-repo-branch-picker.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-repo-branch-picker.js';
 suite('gr-repo-branch-picker tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-auth_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-auth_test.html
index 01baa43..ab79f64 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-auth_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-auth_test.html
@@ -23,14 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../behaviors/base-url-behavior/base-url-behavior.js"></script>
-
-<script type="module" src="./gr-auth.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../behaviors/base-url-behavior/base-url-behavior.js';
 import './gr-auth.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-etag-decorator_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-etag-decorator_test.html
index 3eae300..482dc6a 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-etag-decorator_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-etag-decorator_test.html
@@ -23,13 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-
-<script type="module" src="./gr-etag-decorator.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-etag-decorator.js';
 suite('gr-etag-decorator', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
index 13ed562..675cf03 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
@@ -23,19 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-
-<script type="module" src="./gr-rest-api-interface.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import '../../../scripts/util.js';
-import './gr-rest-api-interface.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -44,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-rest-api-interface.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper_test.html
index 7f86953..5ca70a3 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper_test.html
@@ -23,23 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../../scripts/util.js"></script>
-<script type="module" src="../gr-auth.js"></script>
-<script type="module" src="./gr-rest-api-helper.js"></script>
 
 <script type="module">
-import '../../../../test/test-pre-setup.js';
-import '../../../../test/common-test-setup.js';
-import '../../../../scripts/util.js';
-import '../gr-auth.js';
-import './gr-rest-api-helper.js';
-void(0);
-</script>
-
-<script type="module">
-import '../../../../test/test-pre-setup.js';
 import '../../../../test/common-test-setup.js';
 import '../../../../scripts/util.js';
 import '../gr-auth.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser_test.html
index 6dcdc48..4e17e13 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser_test.html
@@ -23,13 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="../../../scripts/util.js"></script>
-<script type="module" src="./gr-reviewer-updates-parser.js"></script>
-
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import '../../../scripts/util.js';
 import './gr-reviewer-updates-parser.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-select/gr-select_test.html b/polygerrit-ui/app/elements/shared/gr-select/gr-select_test.html
index a4d28a3..b18eb41 100644
--- a/polygerrit-ui/app/elements/shared/gr-select/gr-select_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-select/gr-select_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-select.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-select.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -56,7 +46,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-select.js';
 suite('gr-select tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-shell-command/gr-shell-command_test.html b/polygerrit-ui/app/elements/shared/gr-shell-command/gr-shell-command_test.html
index 4e5be4d..cc779c7 100644
--- a/polygerrit-ui/app/elements/shared/gr-shell-command/gr-shell-command_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-shell-command/gr-shell-command_test.html
@@ -23,16 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-shell-command.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-shell-command.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-shell-command.js';
 suite('gr-shell-command tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-storage/gr-storage_test.html b/polygerrit-ui/app/elements/shared/gr-storage/gr-storage_test.html
index 06e5915..5642e15 100644
--- a/polygerrit-ui/app/elements/shared/gr-storage/gr-storage_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-storage/gr-storage_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-storage.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-storage.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -40,7 +30,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-storage.js';
 suite('gr-storage tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-textarea/gr-textarea_test.html b/polygerrit-ui/app/elements/shared/gr-textarea/gr-textarea_test.html
index 9ede81c..b8828d7 100644
--- a/polygerrit-ui/app/elements/shared/gr-textarea/gr-textarea_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-textarea/gr-textarea_test.html
@@ -23,16 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-textarea.js"></script>
 
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-textarea.js';
-void(0);
-</script>
 <test-fixture id="basic">
   <template>
     <gr-textarea></gr-textarea>
@@ -52,7 +43,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-textarea.js';
 suite('gr-textarea tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/gr-tooltip-content/gr-tooltip-content_test.html b/polygerrit-ui/app/elements/shared/gr-tooltip-content/gr-tooltip-content_test.html
index 853f4c2..e2c2f60 100644
--- a/polygerrit-ui/app/elements/shared/gr-tooltip-content/gr-tooltip-content_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-tooltip-content/gr-tooltip-content_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-tooltip-content.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-tooltip-content.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-tooltip-content.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
diff --git a/polygerrit-ui/app/elements/shared/gr-tooltip/gr-tooltip_test.html b/polygerrit-ui/app/elements/shared/gr-tooltip/gr-tooltip_test.html
index be5e26e..7d599b23 100644
--- a/polygerrit-ui/app/elements/shared/gr-tooltip/gr-tooltip_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-tooltip/gr-tooltip_test.html
@@ -22,16 +22,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-tooltip.js"></script>
-
-<script type="module">
-import '../../../test/test-pre-setup.js';
-import '../../../test/common-test-setup.js';
-import './gr-tooltip.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -41,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './gr-tooltip.js';
 suite('gr-tooltip tests', () => {
diff --git a/polygerrit-ui/app/elements/shared/revision-info/revision-info_test.html b/polygerrit-ui/app/elements/shared/revision-info/revision-info_test.html
index 4946e2e..d6804c0 100644
--- a/polygerrit-ui/app/elements/shared/revision-info/revision-info_test.html
+++ b/polygerrit-ui/app/elements/shared/revision-info/revision-info_test.html
@@ -23,12 +23,8 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../../test/test-pre-setup.js"></script>
-<script type="module" src="../../../test/common-test-setup.js"></script>
-<script type="module" src="./revision-info.js"></script>
 
 <script type="module">
-import '../../../test/test-pre-setup.js';
 import '../../../test/common-test-setup.js';
 import './revision-info.js';
 suite('revision-info tests', () => {
diff --git a/polygerrit-ui/app/scripts/gr-display-name-utils/gr-display-name-utils_test.html b/polygerrit-ui/app/scripts/gr-display-name-utils/gr-display-name-utils_test.html
index 7ef5250..262d53c 100644
--- a/polygerrit-ui/app/scripts/gr-display-name-utils/gr-display-name-utils_test.html
+++ b/polygerrit-ui/app/scripts/gr-display-name-utils/gr-display-name-utils_test.html
@@ -23,12 +23,7 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="./gr-display-name-utils.js"></script>
-
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import './gr-display-name-utils.js';
 suite('gr-display-name-utils tests', () => {
diff --git a/polygerrit-ui/app/scripts/gr-email-suggestions-provider/gr-email-suggestions-provider_test.html b/polygerrit-ui/app/scripts/gr-email-suggestions-provider/gr-email-suggestions-provider_test.html
index be47863..2f2cf0b 100644
--- a/polygerrit-ui/app/scripts/gr-email-suggestions-provider/gr-email-suggestions-provider_test.html
+++ b/polygerrit-ui/app/scripts/gr-email-suggestions-provider/gr-email-suggestions-provider_test.html
@@ -23,21 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../gr-display-name-utils/gr-display-name-utils.js"></script>
-<script type="module" src="./gr-email-suggestions-provider.js"></script>
-
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../gr-display-name-utils/gr-display-name-utils.js';
-import './gr-email-suggestions-provider.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -46,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
 import '../gr-display-name-utils/gr-display-name-utils.js';
diff --git a/polygerrit-ui/app/scripts/gr-group-suggestions-provider/gr-group-suggestions-provider_test.html b/polygerrit-ui/app/scripts/gr-group-suggestions-provider/gr-group-suggestions-provider_test.html
index 21c5085..dc772db 100644
--- a/polygerrit-ui/app/scripts/gr-group-suggestions-provider/gr-group-suggestions-provider_test.html
+++ b/polygerrit-ui/app/scripts/gr-group-suggestions-provider/gr-group-suggestions-provider_test.html
@@ -23,20 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../gr-display-name-utils/gr-display-name-utils.js"></script>
-<script type="module" src="./gr-group-suggestions-provider.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../gr-display-name-utils/gr-display-name-utils.js';
-import './gr-group-suggestions-provider.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
 import '../gr-display-name-utils/gr-display-name-utils.js';
diff --git a/polygerrit-ui/app/scripts/gr-reviewer-suggestions-provider/gr-reviewer-suggestions-provider_test.html b/polygerrit-ui/app/scripts/gr-reviewer-suggestions-provider/gr-reviewer-suggestions-provider_test.html
index 7821386..da2eef4 100644
--- a/polygerrit-ui/app/scripts/gr-reviewer-suggestions-provider/gr-reviewer-suggestions-provider_test.html
+++ b/polygerrit-ui/app/scripts/gr-reviewer-suggestions-provider/gr-reviewer-suggestions-provider_test.html
@@ -23,20 +23,6 @@
 
 <script src="/node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
 <script src="/components/wct-browser-legacy/browser.js"></script>
-<script type="module" src="../../test/test-pre-setup.js"></script>
-<script type="module" src="../../test/common-test-setup.js"></script>
-<script type="module" src="../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js"></script>
-<script type="module" src="../gr-display-name-utils/gr-display-name-utils.js"></script>
-<script type="module" src="./gr-reviewer-suggestions-provider.js"></script>
-
-<script type="module">
-import '../../test/test-pre-setup.js';
-import '../../test/common-test-setup.js';
-import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import '../gr-display-name-utils/gr-display-name-utils.js';
-import './gr-reviewer-suggestions-provider.js';
-void(0);
-</script>
 
 <test-fixture id="basic">
   <template>
@@ -45,7 +31,6 @@
 </test-fixture>
 
 <script type="module">
-import '../../test/test-pre-setup.js';
 import '../../test/common-test-setup.js';
 import '../../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
 import '../gr-display-name-utils/gr-display-name-utils.js';
diff --git a/polygerrit-ui/app/test/test-pre-setup.js b/polygerrit-ui/app/test/test-pre-setup.js
deleted file mode 100644
index dd317cf..0000000
--- a/polygerrit-ui/app/test/test-pre-setup.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/**
- * @license
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * After M80, htmlImports has been removed and the polyfill from
- * webcomponents can only support async html imports unlike
- * native htmlImports which loads htmls synchronously.
- */
-window.readyToTest = () => Promise.race([
-  new Promise(resolve =>
-    window.addEventListener('HTMLImportsLoaded', resolve)),
-  // timeout after 5s, the test timeout is 10s
-  new Promise(resolve => setTimeout(resolve, 5000)),
-]);