test: add v8 subscriber-should-stay-closed test (#5186)
test: add v8 subscriber-should-stay-closed test (#5186)


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