import { Component } from "@angular/core" ; import { TestBed , async } from "@angular/core/testing" ; import { HttpClientModule } from "@angular/common/http" ; import { AppComponent } from "./app.component" ; describe ( "AppComponent" , ( ) => { beforeEach ( async ( ( ) => { TestBed . configureTestingModule ( { declarations : [ AppComponent ] , imports : [ HttpClientModule ] } ) . compileComponents ( ) ; } ) ) ; it ( "should create the app" , ( ) => { const fixture = TestBed . createComponent ( AppComponent ) ; const app = fixture . debugElement . componentInstance ; expect ( app ) . toBeTruthy ( ) ; } ) ; } ) ;