Testing Asynchronous Code with FakeAsync in Angular

When creating automated unit tests in Ionic and Angular applications we would typically follow a process like this: Set up the testing environment Run some code Make assertions as to what should have happened This process is also commonly referred to as AAA (Arrange, Act, Assert). I don't plan to provide an introduction to unit testing in this tutorial (this serves as a good starting point for testing Ionic applications), but a typical test might look something like this: import { TestBed, ComponentFixture, async } from '@angular/core/testing'; import { IonicModule } from 'ionic-angular'; import { MyApp } from './app.component'; import { LoginPage } from '../pages/login/login'; let comp: MyApp; let fixture: ComponentFixtureMyApp; describe('Component: Root Component', () = { beforeEach(async(() = { TestBed.configureTestingModule({ declarations: [MyApp], providers: [ ], imports: [ IonicModule.forRoot(MyApp) ] }).compileComponents(); })); beforeEach(() = { fixture = TestBed.createComponent(MyApp); comp = fixture.

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