Akka.Streams.Tests.Dsl.FlowDelaySpec.A_Delay_must_deliver_elements_with_some_time_shift C# (CSharp) Method

        public void A_Delay_must_deliver_elements_with_some_time_shift()
        {
            var task =
                Source.From(Enumerable.Range(1, 10))
                    .Delay(TimeSpan.FromSeconds(1))
                    .Grouped(100)
                    .RunWith(Sink.First<IEnumerable<int>>(), Materializer);
            task.Wait(TimeSpan.FromMilliseconds(1200)).Should().BeTrue();
            task.Result.ShouldAllBeEquivalentTo(Enumerable.Range(1, 10));
        }