public void IdleTimeout_must_pass_through_elements_unmodified()
{
this.AssertAllStagesStopped(() =>
{
var t = Source.From(Enumerable.Range(1, 100))
.IdleTimeout(TimeSpan.FromSeconds(2)).Grouped(200)
.RunWith(Sink.First<IEnumerable<int>>(), Materializer);
t.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
t.Result.ShouldAllBeEquivalentTo(Enumerable.Range(1, 100));
}, Materializer);
}