chore: update multicast tests to run mode (#6216)
chore: update multicast tests to run mode (#6216)


ReactiveX/rxjs,martinsik/rxjs,ReactiveX/rxjs,benlesh/RxJS,martinsik/rxjs,benlesh/RxJS,ReactiveX/RxJS,martinsik/rxjs,ReactiveX/rxjs,benlesh/RxJS,ReactiveX/RxJS,benlesh/RxJS,martinsik/rxjs,ReactiveX/rxjs,ReactiveX/RxJS,ReactiveX/RxJS