public void TestChangeMenuCategory()
        {
            SalesOrderLinqBroker target = new SalesOrderLinqBroker(); // TODO: Initialize to an appropriate value

            //IMenu menu = Context.Menus.Where(m => m.MenuID == 5).FirstOrDefault(); // TODO: Initialize to an appropriate value
            IMenu menu = target.GetMenuById(5);

            menu.MenuCategoryList.Clear();

            MenuCategory mc = new MenuCategory();
            mc.MenuCategoryID = 2;

            MenuCategory mc2 = new MenuCategory();
            mc2.MenuCategoryID = 10;

            //MenuCategory mc3 = new MenuCategory();
            //mc3.MenuCategoryID = 5;

            //MenuCategory mc4 = new MenuCategory();
            //mc4.MenuCategoryID = 7;

            //MenuCategory mc5 = new MenuCategory();
            //mc5.MenuCategoryID = 6;

            menu.MenuCategoryList.Add(mc);
            menu.MenuCategoryList.Add(mc2);
            //menu.MenuCategoryList.Add(mc3);
            //menu.MenuCategoryList.Add(mc4);
            //menu.MenuCategoryList.Add(mc5);

            target.SaveMenu(menu, "unit test");

            IList<IMenuCategory> actual = menu.MenuCategoryList.OrderBy(o => o.MenuCategoryID).ToList();
            IList<IMenuCategory> expected = Context.MenuCategories.Cast<IMenuCategory>().OrderBy(o => o.MenuCategoryID).ToList();
            expected = expected.Where(o => o.MenuCategoryID == 2
                || o.MenuCategoryID == 10
                //|| o.MenuCategoryID == 5
                //|| o.MenuCategoryID == 7
                //|| o.MenuCategoryID == 6
                ).ToList();

            Assert.AreEqual(expected.Count, actual.Count);

            IEnumerator<IMenuCategory> e1 = actual.GetEnumerator();
            IEnumerator<IMenuCategory> e2 = expected.GetEnumerator();
            while (e1.MoveNext() && e2.MoveNext())
            {
                //Assert.AreEqual(e1.Current, e2.Current);

                Assert.AreEqual(e1.Current.MenuCategoryID, e2.Current.MenuCategoryID);
                Assert.AreEqual(e1.Current.MenuCategoryName, e2.Current.MenuCategoryName);
                Assert.AreEqual(e1.Current.MenuCategoryDescription, e2.Current.MenuCategoryDescription);
                Assert.AreEqual(e1.Current.MenuCategoryOrder, e2.Current.MenuCategoryOrder);
                Assert.AreEqual(e1.Current.IsDeleted, e2.Current.IsDeleted);

                Assert.AreEqual(e1.Current.RowGuid, e2.Current.RowGuid);

            }
        }
 partial void UpdateMenuCategory(MenuCategory instance);
 partial void DeleteMenuCategory(MenuCategory instance);
 partial void InsertMenuCategory(MenuCategory instance);