public void index_action_says_hello_world()
        {
            var sut = new HomeController();

            sut.ViewBag.Message = "Hello World!";

            Assert.That(sut.ViewBag.Message, Is.EqualTo("Hello World!"));
        }
        public void index_action_returns_a_view_result()
        {
            var sut = new HomeController();

            var result = sut.Index();

            Assert.That(result, Is.TypeOf<ViewResult>());
        }