2.x: Add missing Completable marbles (+19, 07/19a) (#6097)
2.x: Add missing Completable marbles (+19, 07/19a) (#6097)


ReactiveX/RxJava,ReactiveX/RxJava,NiteshKant/RxJava,reactivex/rxjava,artem-zinnatullin/RxJava,artem-zinnatullin/RxJava,NiteshKant/RxJava,reactivex/rxjava