polygerrit: Fix 'Unexpected trailing comma' lint errors

Change-Id: Ic2d481f3a21bfec912d0fe8463f9616780d5f405
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 727373a..c7a1376 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
@@ -1084,7 +1084,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ false,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       assert.isTrue(fn(
           /* buttonLabel= */ 'Send',
@@ -1093,7 +1093,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ false,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Mock nonempty comment draft array, with seding comments.
       assert.isFalse(fn(
@@ -1103,7 +1103,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ false,
           /* includeComments= */ true,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Mock nonempty comment draft array, without seding comments.
       assert.isTrue(fn(
@@ -1113,7 +1113,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ false,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Mock nonempty change message.
       assert.isFalse(fn(
@@ -1123,7 +1123,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ false,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Mock reviewers mutated.
       assert.isFalse(fn(
@@ -1133,7 +1133,7 @@
           /* reviewersMutated= */ true,
           /* labelsChanged= */ false,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Mock labels changed.
       assert.isFalse(fn(
@@ -1143,7 +1143,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ true,
           /* includeComments= */ false,
-          /* disabled= */ false,
+          /* disabled= */ false
       ));
       // Whole dialog is disabled.
       assert.isTrue(fn(
@@ -1153,7 +1153,7 @@
           /* reviewersMutated= */ false,
           /* labelsChanged= */ true,
           /* includeComments= */ false,
-          /* disabled= */ true,
+          /* disabled= */ true
       ));
     });
 
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 ef14370..81097f5 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
@@ -116,7 +116,7 @@
           /* userLinks= */[],
           adminLinks,
           /* topMenus= */[],
-          /* docBaseUrl= */ '',
+          /* docBaseUrl= */ ''
       ),
           defaultLinks.concat({
             title: 'Browse',
@@ -185,7 +185,7 @@
           /* userLinks= */ [],
           adminLinks,
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Browse',
         links: adminLinks,
@@ -221,7 +221,7 @@
           /* userLinks= */ [],
           adminLinks,
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Browse',
         links: adminLinks,
@@ -260,7 +260,7 @@
           /* userLinks= */ [],
           adminLinks,
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Browse',
         links: adminLinks,
@@ -297,7 +297,7 @@
           /* userLinks= */ [],
           /* adminLinks= */ [],
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Faves',
         links: defaultLinks[0].links.concat([{
@@ -328,7 +328,7 @@
           userLinks,
           /* adminLinks= */ [],
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Your',
         links: userLinks.concat([{
@@ -359,7 +359,7 @@
           /* userLinks= */ [],
           adminLinks,
           topMenus,
-          /* baseDocUrl= */ '',
+          /* baseDocUrl= */ ''
       ), [{
         title: 'Browse',
         links: adminLinks.concat([{
@@ -398,4 +398,4 @@
       assert.equal(element._registerText, 'Sign up');
     });
   });
-      </script>
\ No newline at end of file
+      </script>
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 740dfcf..ac34b44 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
@@ -94,7 +94,7 @@
 
       assert.equal(element._computeShowEmailClass(
           {name: 'Andrew Bonventre'},
-          /* additionalText= */ '',
+          /* additionalText= */ ''
       ),
           '');