import { TestBed , async } from '@angular/core/testing' ; import { RouterTestingModule } from '@angular/router/testing' ; import { AppComponent } from 'src/app/app.component' ; import { NotificationsService , StringsService } from 'src/app/shared/services' ; import { SharedModule } from 'src/app/shared/shared.module' ; describe ( 'AppComponent' , ( ) => { beforeEach ( async ( ( ) => { TestBed . configureTestingModule ( { imports : [ RouterTestingModule , SharedModule ] , declarations : [ AppComponent ] , providers : [ StringsService , NotificationsService ] } ) . compileComponents ( ) ; } ) ) ; it ( 'should create the app' , async ( ( ) => { const fixture = TestBed . createComponent ( AppComponent ) ; const app = fixture . debugElement . componentInstance ; expect ( app ) . toBeTruthy ( ) ; } ) ) ; } ) ;