public void Given_4A_And_1B_When_CheckOut_Is_Called_Then_It_Should_Return_210()
{
// Arrange
_promotionEngine = new PromotionEngine(_unitPrice, _activePromotions);
IDictionary <char, int> itemsToBeCheckOut = new Dictionary <char, int>()
{
{ 'A', 4 },
{ 'B', 1 }
};
// Act
var total = _promotionEngine.CheckOut(itemsToBeCheckOut);
// Assert
Assert.AreEqual(210, total, "Something wrong in calculation");
}
