| Index: runtime/observatory/tests/observatory_ui/nav/class-menu/element_test.dart
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| diff --git a/runtime/observatory/tests/observatory_ui/nav/class-menu/element_test.dart b/runtime/observatory/tests/observatory_ui/nav/class-menu/element_test.dart
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| index 32fb9f0d7af1c6435b9299bdfdc32f9c66eccc84..c622dbe6c346e9736a6b31839b28298bab456623 100644
 | 
| --- a/runtime/observatory/tests/observatory_ui/nav/class-menu/element_test.dart
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| +++ b/runtime/observatory/tests/observatory_ui/nav/class-menu/element_test.dart
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| @@ -20,11 +20,12 @@ main() {
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|    });
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|    test('elements created after attachment', () async {
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|      final e = new NavClassMenuElement(i_ref, c_ref);
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| +    e.content = [document.createElement('content')];
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|      document.body.append(e);
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|      await e.onRendered.first;
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| -    expect(e.shadowRoot.children.length, isNonZero, reason: 'has elements');
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| +    expect(e.children.length, isNonZero, reason: 'has elements');
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|      e.remove();
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|      await e.onRendered.first;
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| -    expect(e.shadowRoot.children.length, isZero, reason: 'is empty');
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| +    expect(e.children.length, isZero, reason: 'is empty');
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|    });
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|  }
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| 
 |