public void About()
        {
            // Arrange
            HomeController controller = new HomeController();

            // Assert
               // Assert.IsNotNull(result);
        }
        public void Index()
        {
            // Arrange
            HomeController controller = new HomeController();

            // Act
            ViewResult result = controller.Index() as ViewResult;

            // Assert
            Assert.AreEqual("Welcome to ASP.NET MVC!", result.ViewBag.Message);
        }