public void Should_Not_Redirect_When_Installed_Is_False_And_Controller_Is_InstallerController() { // Arrange _applicationSettings.Installed = false; InstallControllerStub installController = new InstallControllerStub(_applicationSettings, _userService, _pageService, _searchService, _repository, _settingsService, _context, _configReaderWriter); // use a concrete implementation ActionExecutingContext filterContext = new ActionExecutingContext(); filterContext.Controller = installController; // Act installController.CallOnActionExecuting(filterContext); // Assert Assert.That(filterContext.Result, Is.Null); }