anchor.diff:      await tester.pumpWidget(
         new MaterialApp(
           home: new MaterialApp(
  -          home: new Text('Home sweet home')
  -        )
  -      )
  +          home: new Text('Home sweet home'),
  +        ),
  +      ),
       );
   
       expect(find.text('Home sweet home'), findsOneWidget);
  
positive.code:     expect(focusNode.hasFocus, isTrue);
    });
  
    testWidgets('Can show grid without losing sync', (WidgetTester tester) async {
      await tester.pumpWidget(
        new MaterialApp(
          home: new StateMarker()
        )
      );
  
      final StateMarkerState state1 = tester.state(find.byType(StateMarker));
  
negative.code:             return new Material(
                child: new RaisedButton(
                  child: new Text('X'),
                  onPressed: () { Navigator.of(context).pushNamed('/next'); },
                ),
              );
            }
          ),
  