public void CreatePromotionWithArrayOfBikes()
{
Promotion promotion = new Promotion();
List <Bike> bikes = new List <Bike>();
bikes.Add(new Bike("H"));
bikes.Add(new Bike("D"));
bikes.Add(new Bike("W"));
promotion.AddBikesArray(bikes);
Assert.AreEqual(promotion.GetPrice(), 59, 5);
}