public void IndexSuma2Numeros()
        {
            // Arrange
            HomeController controller = new HomeController();

            // Act
            ViewResult result = controller.Index() as ViewResult;
            Assert.AreEqual("Home Page", result.ViewBag.Title);

            ModelSuma Sumamodel = new ModelSuma();

            Sumamodel.NumeroB = 2;
            Sumamodel.NumeroA = 1;



            ViewResult result2 = controller.ClickSubmitSuma(Sumamodel) as ViewResult;
            Assert.AreEqual(result.ViewBag.ResultadoSuma,"3");
        }
        public ActionResult ClickSubmitSuma(ModelSuma Sumamodel) {

            ViewBag.ResultadoSuma = (Sumamodel.NumeroA + Sumamodel.NumeroB).ToString();
            return View("ViewResultSuma");
        }