public void RoomTypeDelete()
        {
            RoomTypesController controller = new RoomTypesController();
            var result = controller.Delete(1);
            Assert.IsNotNull(result);

        }
        public void RoomTypesDeleteNull()
        {
            RoomTypesController controller = new RoomTypesController();

            var result = (HttpStatusCodeResult)controller.Delete(null);
            Assert.IsInstanceOfType(result, typeof(HttpStatusCodeResult));
            Assert.AreEqual(400, result.StatusCode);

        }