public void Single_Source_must_reject_later_subscriber()
{
var p = Source.Single(1).RunWith(Sink.AsPublisher<int>(false), Materializer);
var c1 = TestSubscriber.CreateManualProbe<int>(this);
var c2 = TestSubscriber.CreateManualProbe<int>(this);
p.Subscribe(c1);
var sub1 = c1.ExpectSubscription();
sub1.Request(1);
c1.ExpectNext(1);
c1.ExpectComplete();
p.Subscribe(c2);
c2.ExpectSubscriptionAndError();
}