anchor.diff:    });
   
     test('scryRenderedComponentsWithType', () {
  -    component = renderIntoDocument(div({}, [
  +    component = renderIntoDocument(wrapperComponent({}, [
           sampleComponent({}), sampleComponent({}), eventComponent({})]));
   
       var results = scryRenderedComponentsWithType(component, sampleComponent);
  
positive.code:   });
  
    test('findRenderedComponentWithType', () {
      component = renderIntoDocument(div({}, [sampleComponent({})]));
      var result = findRenderedComponentWithType(component, sampleComponent);
      expect(isCompositeComponentWithType(result, sampleComponent), isTrue);
    });
  
negative.code:   });
  
    test('scryRenderedDOMComponentsWithTag', () {
      component = renderIntoDocument(wrapperComponent({}, [div({}), div({}), span({})]));
  
      var results = scryRenderedDOMComponentsWithTag(component, 'div');
  
  