public GraphInterpreterFailureModesSpec(ITestOutputHelper output = null) : base(output) { var setup = new FailingStageSetup(Sys); downstream = setup.Downstream; upstream = setup.Upstream; stage = setup.Stage; testException = setup.TestException; lastEvents = setup.LastEvents; stepAll = setup.StepAll; failOnNextEvent = setup.FailOnNextEvent; failOnPostStop = setup.FailOnPostStop; clearEvents = setup.ClearEvents; }