Move tests from old to new gr-related-changes-list

Change-Id: I631cde95d00a1e54b1820232733424b28f74bff4
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.ts b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.ts
index 1eacb8a..fc0d289 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view_test.ts
@@ -62,6 +62,7 @@
   createEditRevision,
   createAccountWithIdNameAndEmail,
   createChangeViewChange,
+  createRelatedChangeAndCommitInfo,
 } from '../../../test/test-data-generators';
 import {ChangeViewPatchRange, GrChangeView} from './gr-change-view';
 import {
@@ -80,6 +81,7 @@
   ParentPatchSetNum,
   PatchRange,
   PatchSetNum,
+  RelatedChangeAndCommitInfo,
   ReviewInputTag,
   RevisionInfo,
   RevisionPatchSetNum,
@@ -3088,4 +3090,23 @@
       });
     });
   });
+
+  test('_calculateHasParent', () => {
+    const changeId = '123' as ChangeId;
+    const relatedChanges: RelatedChangeAndCommitInfo[] = [];
+
+    assert.equal(element._calculateHasParent(changeId, relatedChanges), false);
+
+    relatedChanges.push({
+      ...createRelatedChangeAndCommitInfo(),
+      change_id: '123' as ChangeId,
+    });
+    assert.equal(element._calculateHasParent(changeId, relatedChanges), false);
+
+    relatedChanges.push({
+      ...createRelatedChangeAndCommitInfo(),
+      change_id: '234' as ChangeId,
+    });
+    assert.equal(element._calculateHasParent(changeId, relatedChanges), true);
+  });
 });