Unit Test and Entity Framework 4 Controller

gistfile1.cs

public class CustomerController : Controller
{
	private MyDbContext _dbContext;
	public ActionResult Index()
	{
		return View(_dbContext.Customers.OrderBy(c => c.Name).ToList());
	}		
}
public class MyDbContext : DbContext
{
	public IQueryable<Customer> Customers { get; set; }
}