public static void TestJsonResultCreationSuccess()
        {
            Product product = new Product()
            {
                ProductName  = "Vfresh 100% Fruit Juice - Grape (1L)",
                Price        = 125000,
                CategoryId   = 63,
                AvailableQty = 560,
            };
            var     jsonRes = controller.AddOrEdit(product) as JsonResult;
            dynamic data    = jsonRes.Data;
            //bool testValue = GetValueFromJsonResult<bool>(jsonRes, "success");
            bool success = (bool)(new PrivateObject(jsonRes.Data, "success")).Target;

            Assert.IsTrue(success);
        }