public void TestCancelOrder()
{
CurrentOrder <SushiItem> order = new CurrentOrder <SushiItem>();
SushiItem item = new SushiItem("name", 12.8);
uint quantity = 12;
order.OrderSomething(item, quantity);
OrderEntity <SushiItem> thisOrder = new OrderEntity <SushiItem>(item, quantity);
order.CancelOrder(thisOrder);
Assert.IsTrue(order.TotalSum == 0.00 && order.Order.Count == 0);
}
