public void CheckDateError() { var mockService = MockRepository.GenerateStub <ITrainingService>(); var controller = new TrainingController(mockService); var results = controller.GetAllTrainingData().Result; var content = results as OkNegotiatedContentResult <List <TrainingData> >; Assert.IsNotNull(content); Assert.IsNotNull(content.Content); Assert.IsTrue(content.Content.Count > 0); }