public void SelectOptionHtmlEncodesText() {
            //arrange
            var viewContext = new ViewContext();
            var viewDataContainer = new Mock<IViewDataContainer>();
            var html = new HtmlHelper(viewContext, viewDataContainer.Object);

            //act
            var result = html.SelectOption("value", false, "<br />");

            //assert
            Assert.AreEqual(@"<option value=""value"">&lt;br /&gt;</option>", result.ToString());
        }