@Test
public void testMaterializeDematerializeChaining() {
Observable<Integer> obs = Observable.just(1);
Observable<Integer> chained = obs.materialize().dematerialize();
Subscriber<Integer> observer = TestHelper.mockSubscriber();
chained.subscribe(observer);
verify(observer, times(1)).onNext(1);
verify(observer, times(1)).onComplete();
verify(observer, times(0)).onError(any(Throwable.class));
}
