test(dtslint): add catchError (#4297)
test(dtslint): add catchError (#4297)

* test(dtslint): add catchError

* test(dtslint): add more test cases

benlesh/RxJS,kwonoj/RxJS,ReactiveX/RxJS,ReactiveX/RxJS,trxcllnt/RxJS,kwonoj/RxJS,benlesh/RxJS,ReactiveX/RxJS,trxcllnt/RxJS,ReactiveX/RxJS,kwonoj/RxJS,martinsik/rxjs,benlesh/RxJS,kwonoj/RxJS,trxcllnt/RxJS,martinsik/rxjs,martinsik/rxjs,benlesh/RxJS,trxcllnt/RxJS,ReactiveX/rxjs,ReactiveX/rxjs,Brocco/RxJS,Brocco/RxJS,Brocco/RxJS,ReactiveX/rxjs,martinsik/rxjs,Brocco/RxJS,ReactiveX/rxjs