public void GetTimeOfDay_For6AM_ReturnsMorning()
        {
            // Arrange
            SmartHomeController controller = new SmartHomeController();

            // Act
            string timeOfDay = controller.GetTimeOfDay(new DateTime(2016, 12, 31, 06, 00, 00));

            // Assert
            Assert.AreEqual("Morning", timeOfDay);
        }