The best way to test your cart is to do apurchase and then void the transaction on Authorize.net afterwards sothe charge does not carry through. Authorize.net will only process yourcharges at a certain time each day; the same time each day.
After you put through your order and payfor it, login to Authorize.net and then click ‘UnsettledTransactions’. Then, click on your payment and you will see a button tovoid the transaction.