Only display assignee in change list if assigned Without this fix, unassigned changes will have an empty grey circle in the assignee column. Change-Id: I11d54da5ed60145cf722ddf031d2254eaa0b91e1

diff --git a/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item.html b/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item.html
index 83a4362..a2c7853 100644
--- a/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item.html
+++ b/polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item.html

@@ -139,7 +139,9 @@
     </td>
     <td class="cell assignee"
         hidden$="[[isColumnHidden('Assignee', visibleChangeTableColumns)]]">
-      <gr-account-link account="[[change.assignee]]"></gr-account-link>
+      <template is="dom-if" if="[[change.assignee]]">
+        <gr-account-link account="[[change.assignee]]"></gr-account-link>
+      </template>
     </td>
     <td class="cell project"
         hidden$="[[isColumnHidden('Project', visibleChangeTableColumns)]]">

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 cd07b5a..243a8ab 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

@@ -186,5 +186,16 @@
       const elementClass = '.bad';
       assert.isNotOk(element.$$(elementClass));
     });
+
+    test('assignee only displayed if there is one', () => {
+      assert.isNotOk(element.$$('.assignee gr-account-link'));
+      element.change = {
+        assignee: {
+          name: 'test',
+        },
+      };
+      flushAsynchronousOperations();
+      assert.isOk(element.$$('.assignee gr-account-link'));
+    });
   });
 </script>