public void AndTestsExistInTheRootThenATestsFoundEventIsQueued() { var envDteProject = _project.GetEnvDteProject(); var testsFolder = envDteProject.ProjectItems.AddFolder("Tests"); testsFolder.ProjectItems.AddFromFile("A.Tests.ts"); testsFolder.ProjectItems.AddFromFile("B.Tests.ts"); _listener.Publish(new DiscoverTestsEvent(_project)); _eventQueue .OfType <TestsFoundEvent>() .Should() .HaveCount(1); }