Akka.Streams.Tests.Dsl.FlowSelectAsyncUnorderedSpec.A_Flow_with_SelectAsyncUnordered_must_finish_after_task_failure C# (CSharp) Method

        public void A_Flow_with_SelectAsyncUnordered_must_finish_after_task_failure()
        {
            this.AssertAllStagesStopped(() =>
            {
                var t = Source.From(Enumerable.Range(1, 3))
                    .SelectAsyncUnordered(1, n => Task.Run(() =>
                    {
                        if (n == 3)
                            throw new TestException("err3b");
                        return n;
                    }))
                    .WithAttributes(ActorAttributes.CreateSupervisionStrategy(Deciders.ResumingDecider))
                    .Grouped(10)
                    .RunWith(Sink.First<IEnumerable<int>>(), Materializer);

                t.Wait(TimeSpan.FromSeconds(1)).Should().BeTrue();
                t.Result.ShouldAllBeEquivalentTo(new[] {1, 2});
            }, Materializer);
        }