public void should_total_full_product_price_for_any_products_over_the_special_offer_threshold()
{
var specialOffer = new SpecialOffer("A", new Criteria(3, 130));
var products = new List <Product>
{
new Product('A', 50),
new Product('A', 50),
new Product('A', 50),
new Product('A', 50),
}.GroupBy(p => p.Name).First();
var discountedTotal = specialOffer.ApplyDiscountTo(products);
Assert.That(180, Is.EqualTo(discountedTotal));
}