public void DeleteTrip_Delete1_ReturnsRedirectToActionResult() { var accessor = TestHelperLibrary.SetUpHttpContextAccessor(); var unitOfWork = TestHelperLibrary.SetupUnitOfWork(); var tempData = new TempDataDictionary(accessor.Object.HttpContext, Mock.Of <ITempDataProvider>()); var controller = new VacationController(unitOfWork.Object, accessor.Object); controller.TempData = tempData; var result = controller.DeleteTrip(1) as RedirectToActionResult; Assert.IsType <RedirectToActionResult>(result); }