public void FlowGraphs_when_turned_into_sources_should_be_transformable_with_a_Pipe()
{
var probe = TestSubscriber.CreateManualProbe<int>(this);
var source =
Source.FromGraph(GraphDsl.Create(PartialGraph(),
(b, partial) =>
{
b.From(Source1).To(partial.Inlet);
return new SourceShape<string>(partial.Outlet);
}));
source.Select(int.Parse).To(Sink.FromSubscriber(probe)).Run(Materializer);
ValidateProbe(probe, StandardRequests, StandardResult);
}