public void Given_An_Prices_And_Discount_Should_Compute_TotalPrice(int expected, int discount, params int[] prices)
        {
            // arrange
            // act
            var totalPrice = CalculateTotalPriceKata.CalculateTotalPrice(prices, discount);

            // assert
            totalPrice.Should().Be(expected);
        }
 public int Solution()
 {
     return(CalculateTotalPriceKata.CalculateTotalPrice(_prices, _discount));
 }