text: import { TestBed, async } from '@angular/core/testing';
  import { RouterTestingModule } from '@angular/router/testing';
  import { AppComponent } from './app.component';
  
  describe('AppComponent', () => {
    beforeEach(async(() => {
      TestBed.configureTestingModule({
        imports: [RouterTestingModule],
        declarations: [AppComponent],
      }).compileComponents();
    }));
  
    it('should create the app', () => {
      const fixture = TestBed.createComponent(AppComponent);
      const app = fixture.componentInstance;
      expect(app).toBeTruthy();
    });
  
    it(`should have as title 'core-angular-universal'`, () => {
      const fixture = TestBed.createComponent(AppComponent);
      const app = fixture.componentInstance;
      expect(app.title).toEqual('core-angular-universal');
    });
  
    it('should render title', () => {
      const fixture = TestBed.createComponent(AppComponent);
      fixture.detectChanges();
      const compiled = fixture.nativeElement;
      expect(compiled.querySelector('.content span').textContent).toContain('core-angular-universal app is running!');
    });
  });
  