public void GetInvalidReturnDates() { int locationId = 66; string categoryId = "A"; string returnYear = DateTime.Now.Year.ToString(); string returnMonth = DateTime.Now.Month.ToString("MM"); string pickupDate = convertDateTimeToCarlaDateTime(DateTime.Now); //Act var response = controller.GetInvalidReturnDates(locationId, categoryId, returnYear, returnMonth, pickupDate); //Assert Assert.IsNotNull(response); }