Akka.Streams.Tests.Dsl.FlowOnCompleteSpec.A_Flow_with_OnComplete_must_yield_the_first_error C# (CSharp) Method

        public void A_Flow_with_OnComplete_must_yield_the_first_error()
        {
            this.AssertAllStagesStopped(() =>
            {
                var onCompleteProbe = CreateTestProbe();
                var p = TestPublisher.CreateManualProbe<int>(this);
                Source.FromPublisher(p)
                    .To(Sink.OnComplete<int>(() => {}, ex => onCompleteProbe.Ref.Tell(ex)))
                    .Run(Materializer);
                var proc = p.ExpectSubscription();
                proc.ExpectRequest();
                var cause = new TestException("test");
                proc.SendError(cause);
                onCompleteProbe.ExpectMsg(cause);
                onCompleteProbe.ExpectNoMsg(TimeSpan.FromMilliseconds(100));
            }, Materializer);
        }