public void UpdateComboSide_NewSide_ShouldReplaceOldSide()
{
var combo = new ChickenLittleCombo(new MashedPotato(), new Brownie());
var comboService = new ComboService();
comboService.UpdateComboSide(combo, new MacAndCheese());
Assert.IsInstanceOfType(combo.Side, typeof(MacAndCheese));
}