import { TestBed } from '@angular/core/testing' ; import { AppCommonService } from './app-common.service' ; describe ( 'AppCommonService' , ( ) => { let appCommonService ; beforeEach ( ( ) => { TestBed . configureTestingModule ( { providers : [ AppCommonService ] , } ) ; appCommonService = TestBed . inject ( AppCommonService ) ; } ) ; describe ( 'getAppCommon$' , ( ) => { it ( 'should return Observable<AppCommon>' , ( ) => { appCommonService . getAppCommon$ ( ) . subscribe ( response => { expect ( response ) . toEqual ( { } ) ; } ) ; } ) ; } ) ; } ) ;