refactor(bindNodeCallback-spec): make TS and lint happier
refactor(bindNodeCallback-spec): make TS and lint happier

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