public void Conflate_must_conflate_elements_while_downstream_is_silent()
{
var publisher = TestPublisher.CreateProbe<int>(this);
var subscriber = TestSubscriber.CreateManualProbe<int>(this);
Source.FromPublisher(publisher)
.ConflateWithSeed(i=>i,(sum, i) => sum + i)
.To(Sink.FromSubscriber(subscriber))
.Run(Materializer);
var sub = subscriber.ExpectSubscription();
for (var i = 1; i <= 100; i++)
publisher.SendNext(i);
subscriber.ExpectNoMsg(TimeSpan.FromSeconds(1));
sub.Request(1);
subscriber.ExpectNext(5050);
sub.Cancel();
}