beforeEach(async(() => { const routerSpy = createRouterSpy(); TestBed.configureTestingModule({ imports: [ SharedModule ], declarations: [ HeroDetailComponent ], providers: [ { provide: ActivatedRoute, useValue: activatedRoute }, { provide: HeroService, useClass: TestHeroService }, { provide: Router, useValue: routerSpy}, ] }) .compileComponents(); }));