public void Redirect_To_Action_Create_New_Topic()
{
//Arrange
var testValue = new TopicViewModel()
{
Id = 2
};
var service = Substitute.For <ITopicService>();
TopicController controller = new TopicController(service);
//Act
var expected = controller.CreateNewTopic(testValue) as RedirectToActionResult;
//Assert
Assert.Equal(expected.ActionName, "Index");
Assert.Equal(expected.ControllerName, "Home");
}