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Assert.AreEqual failed. Expected:<(null)>. Actual:<System.Web.Mvc.ViewResult>
[TestMethod()]
        public void IndexTest()
        {
            ConferenceController target = new ConferenceController(); // TODO: Initialize to an appropriate value
            ActionResult expected = Index; // TODO: Initialize to an appropriate value
            ActionResult actual;
            actual = target.Index();
            Assert.AreEqual(expected, actual);
            Assert.Inconclusive("Verify the correctness of this test method.");
        }

ActionResult expected = Index; // TODO: Initialize to an appropriate value

[TestMethod]
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);
}