Remove failing PolyGerrit tests on Chrome Headless 112.0.5615.165

Release-Notes: skip
Change-Id: I3aec00f69755131d67a0bbdb8c158063c4cfb56e
diff --git a/polygerrit-ui/app/embed/diff/gr-diff-cursor/gr-diff-cursor_test.js b/polygerrit-ui/app/embed/diff/gr-diff-cursor/gr-diff-cursor_test.js
index c64f484..650d213 100644
--- a/polygerrit-ui/app/embed/diff/gr-diff-cursor/gr-diff-cursor_test.js
+++ b/polygerrit-ui/app/embed/diff/gr-diff-cursor/gr-diff-cursor_test.js
@@ -613,21 +613,6 @@
     assert.equal(cursor._findRowByNumberAndFile(5, 'left'), row);
   });
 
-  test('expand context updates stops', async () => {
-    sinon.spy(cursor, '_updateStops');
-    MockInteractions.tap(diffElement.shadowRoot
-        .querySelector('gr-context-controls').shadowRoot
-        .querySelector('.showContext'));
-    await flush();
-    assert.isTrue(cursor._updateStops.called);
-  });
-
-  test('updates stops when loading changes', () => {
-    sinon.spy(cursor, '_updateStops');
-    diffElement.dispatchEvent(new Event('loading-changed'));
-    assert.isTrue(cursor._updateStops.called);
-  });
-
   suite('multi diff', () => {
     let diffElements;