private async void Update_Click(object sender, RoutedEventArgs e)
        {
            UpdateProduct product = new UpdateProduct();

            selectedProduct = new Products()
            {
                Id          = ProductId.Text,
                Name        = ProductName.Text,
                Features    = Features.Text.Split(','),
                Services    = Services.Text.Split(','),
                DisplaySize = DisplaySize.Text,
                OtherInfo   = null
            };
            await product.UpdateAProduct(selectedProduct);
        }
        public async void Test10()
        {
            UpdateProduct updateProduct = new UpdateProduct();
            Products      product       = new Products()
            {
                Id          = "P125",
                Name        = "DemoProduct",
                Features    = new[] { "Touch_Screen", "Alarm" },
                Services    = new[] { "ESN" },
                DisplaySize = "upto 10"
            };
            await updateProduct.UpdateAProduct(product);

            Assert.False(UpdateProduct.productUpdated);
        }