anchor.diff:                ),
               ),
             ),
  -        )
  +        ),
         );
         final Finder columnWidgetFinder = find.byType(Column);
         expect(columnWidgetFinder, findsOneWidget);
  
positive.code:       final int numLocationEntries = locationsForFile.length ~/ 3;
        expect(numLocationEntries, equals(numDataEntries));
  
        final Map<int, _CreationLocation> knownLocations =
            <int, _CreationLocation>{};
        addToKnownLocationsMap(
          knownLocations: knownLocations,
          newLocations: newLocations,
  
negative.code: 
        // Turn off rebuild counts.
        expect(
          await service.testBoolExtension('trackRebuildDirtyWidgets', <String, String>{'enabled': 'false'}),
          equals('false'),
        );
  
        state.updateTime(); // Triggers a rebuild.
        await tester.pump();
        // Verify that rebuild events are not fired once the extension is disabled.
        expect(rebuildEvents, isEmpty);
      }, skip: !WidgetInspectorService.instance.isWidgetCreationTracked()); // Test requires --track-widget-creation flag.
  
      testWidgets('ext.flutter.inspector.trackRepaintWidgets', (WidgetTester tester) async {
        service.rebuildCount = 0;
  