Limpieza de código

src/app/app.component.spec.ts

@@ -1,22 +1,22 @@
-import { TestBed, async } from '@angular/core/testing';
+import { TestBed, async, waitForAsync } from '@angular/core/testing';
 
 import { AppComponent } from './app.component';
 import { AppModule } from './app.module';
 
 describe('AppComponent', () => {
-  beforeEach(async(() => {
+  beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       imports: [AppModule]
     }).compileComponents();
   }));
 
-  it('should create the app', async(() => {
+  it('should create the app', waitForAsync(() => {
     const fixture = TestBed.createComponent(AppComponent);
     const app = fixture.debugElement.componentInstance;
     expect(app).toBeTruthy();
   }));
 
-  it('should render link to flight in a a tag', async(() => {
+  it('should render link to flight in a a tag', waitForAsync(() => {
     const fixture = TestBed.createComponent(AppComponent);
     fixture.detectChanges();
     const compiled = fixture.debugElement.nativeElement;