When I Try Unit Testing Fr The Controller It Giving Me An Error

See more:

MVC

namespace Supplier.Test
{
[TestClass]nnamespace Supplier.Test
{
[TestClass]
public class SupplierControllerTest
{
[TestMethod]
public void TestIndexView()
{
var w = new SupplierController();
var e = ((ViewResult)w.Create()) as ViewResult;
Assert.IsNotNull("View");
}
}
}
amespace Supplier.Test
{
[TestClass]
public class SupplierControllerTest
{
[TestMethod]
public void TestIndexView()
{
var w = new SupplierController();
var e = ((ViewResult)w.Create()) as ViewResult;
Assert.IsNotNull("View");
}
}
}

the error is
Error 2 Assembly 'Suppliers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' uses 'System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' which has a higher version than referenced assembly 'System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' c:\Users\Okuhle\Desktop\Nonka update\Template.BusinessLogic\Suppliers\bin\Suppliers.dll Supplier.Test