public void Test_Case_For_Add_Products()
{
CartItem _cartItem = new CartItem();
_cartItem.AddToCart(new Product("SamSung", 10000), 2);
_cartItem.AddToCart(new Product("ViVo", 14000), 2);
Dictionary <Product, int> _expectedResult = new Dictionary <Product, int>();
_expectedResult.Add(new Product("SamSung", 10000), 2);
_expectedResult.Add(new Product("ViVo", 14000), 2);
var _actualResult = _cartItem.GetProductList();
Assert.Equal(_expectedResult.ToString(), _actualResult.ToString());
}