public void TesteCarroViewIndex()
        {
            var mockDAO       = new Mock <ICarroDAO>();
            var mockDAOMODELO = new Mock <IDAO <Modelo> >();
            var carroService  = new CarroService(mockDAO.Object, null);
            var controller    = new CarroController(carroService);
            var result        = controller.Index() as ViewResult;

            Assert.AreEqual("", result.ViewName); //sem passar por pipeline do mvc, nome nao retorna na viewresult
        }