describe('HttpClient testing', () => { let httpClient: HttpClient; let httpTestingController: HttpTestingController; beforeEach(() => { TestBed.configureTestingModule({ imports: [ HttpClientTestingModule ] }); // Inject the http service and test controller for each test httpClient = TestBed.get(HttpClient); httpTestingController = TestBed.get(HttpTestingController); }); /// Tests begin /// });