author Ben Hayward
 *  create modify desc import { BehaviorSubject , of } from 'rxjs' ; export let feedsServiceMock = { canFetchMore : true , inProgress : new BehaviorSubject ( false ) , offset : new BehaviorSubject < number > ( 0 ) , feed : new BehaviorSubject ( [ Promise . resolve ( '[1,2,3,4,5]' ) ] ) , clear ( ) { of ( { response : false } , { response : false } , { response : true } ) ; } , response ( ) { return { response : true } ; } , setEndpoint ( str ) { return this ; } , setLimit ( limit ) { return this ; } , setParams ( params ) { return this ; } , fetch ( ) { return this ; } , loadMore ( ) { return this ; } , } ;