import { TestBed } from '@angular/core/testing' ; import { BroadcasterService } from './broadcaster.service' ; let service ; beforeEach ( ( ) => { TestBed . configureTestingModule ( { providers : [ BroadcasterService ] } ) ; } ) ; it ( 'should create' , ( ) => { service = TestBed . inject ( BroadcasterService ) ; expect ( service ) . toBeTruthy ( ) ; } ) ;