public void A_Log_on_Flow_must_debug_each_element()
{
var debugging = Flow.Create<int>().Log("my-debug");
Source.From(new[] {1, 2}).Via(debugging).RunWith(Sink.Ignore<int>(), Materializer);
var msgs = LogMessages(3);
msgs[0].Should().Be("[my-debug] Element: 1");
msgs[1].Should().Be("[my-debug] Element: 2");
msgs[2].Should().Be("[my-debug] Upstream finished.");
}