nested-forms/apps/global-form/src/app/app.component.spec.ts

import { ReactiveFormsModule } from '@angular/forms';
import { RouterTestingModule } from '@angular/router/testing';
import { TestBed, async } from '@angular/core/testing';
import { AppComponent } from './app.component';
import { NameComponent } from './name/name.component';

describe('AppComponent', () => {
  beforeEach(async(() => {
    TestBed.configureTestingModule({
      imports: [RouterTestingModule, ReactiveFormsModule],
      declarations: [AppComponent, NameComponent]
    }).compileComponents();
  }));

  it('should create the app', () => {
    const fixture = TestBed.createComponent(AppComponent);
    const app = fixture.debugElement.componentInstance;
    expect(app).toBeTruthy();
  });

});