anchor.diff:    }
   }
   
  -class ProjectGroupDialogStrategyMock extends Mock
  +class _ProjectGroupDialogStrategyMock extends Mock
       implements ProjectGroupDialogStrategy {}
  
positive.code: import 'package:mockito/mockito.dart';
  import 'package:network_image_mock/network_image_mock.dart';
  
  import '../../../test_utils/metrics_themed_testbed.dart';
  import '../../../test_utils/project_groups_notifier_mock.dart';
  import '../../../test_utils/test_injection_container.dart';
  
negative.code:       (tester) async {
          final projectDialogViewModel = ProjectGroupDialogViewModel(
            id: "id",
            name: projectGroupName,
            selectedProjectIds: UnmodifiableListView<String>([]),
          );
  
  