public virtual void TestCompareTwoConstantEntityNestedRelationshipNegation()
{
Order exclude = new Order() { OrderID = 10702 };
Customer alfki = new Customer() { CustomerID = "ALFKI" };
var testQuery = from o in db.Orders
where o.Customer == alfki &&
o != exclude
select o;
var test = testQuery.ToList();
AssertValue(5, test.Count);
AssertValue("ALFKI", test[0].CustomerID);
}