public void Vend_WhenCoffeeOrderInTransactionHandlerAndSufficientFunds_ReturnsCoffeeOrder()
{
var coffeeOrder = CreateCoffeeOrder();
_transactionHandler.AddCoffeeOrder(coffeeOrder);
_transactionHandler.AddFunds(Denomination.Twenty);
var vendedCoffeeOrder = _transactionHandler.Vend();
Assert.AreEqual(coffeeOrder, vendedCoffeeOrder);
}
private void btnAddPayment_Click(object sender, EventArgs e)
{
_transactionHandler.AddFunds((Denomination)cbAmount.SelectedItem);
UpdateCurrentPayment();
SetStatus();
}