public void Can_Sum_Product_Corretly()
{
//Arrange
// Repository
DiscountHelper repo = new DiscountHelper();
decimal ExpectedValue = products.Sum(m => m.price) + 0.9M;
//Act
//callin class
LinqValueCalculator target = new LinqValueCalculator(repo);
decimal ActualValue = target.ProductValue(products);
//Assert
Assert.AreEqual(ExpectedValue, ActualValue);
}
