public void AdminController_Contains_Categories_Method()
{
var controller = new AdminController();
ActionResult result = controller.Categories();
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result, typeof(ActionResult));
}
public void AdminController_Categories_Method_Accepts_List_Categories()
{
var controller = new AdminController();
var result = controller.Categories() as ViewResult;
Assert.IsNotNull(result);
Assert.IsInstanceOfType(result.ViewData.Model, typeof(IList<Category>));
}