anchor.diff:  
   @Component(
     selector: 'event-container',
  -  directives: const [DeferredChildComponent],
  +  directives: [DeferredChildComponent],
     template: r'''
       <section>
         Events:&ngsp;{{count}}
  
positive.code:         )
          .create();
  
      SimpleContainerTest comp;
      await fixture.update((SimpleContainerTest component) {
        comp = component;
      });
      await comp.waitForDeferred();
      final view = fixture.rootElement.querySelector('my-deferred-view');
      expect(view, isNotNull);
      expect(fixture.text, contains('Title:'));
  
negative.code:   final ChangeDetectorRef cdRef;
  
    SimpleContainerTest(this.cdRef);
  }
  
  @Component(
    selector: 'nested-container',
    directives: [DeferredChildComponent, NgIf],
    template: r'''
      <section *ngIf="show">
        <my-deferred-view @deferred></my-deferred-view>
  