CHECKOUT
Testing Payment Failures: The 12 Scenarios Most Teams Skip
Everyone tests the successful payment. Almost nobody tests the twelve ways it fails — declines, 3DS timeouts, double-clicks, expired sessions. This is the list we run on every audit.
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CHECKOUT
How to Test Discount Codes and Tax Together (The Bug That Creates Support Tickets)
The checkout says one number, the invoice says another. When discounts and tax apply in the wrong order, every affected order becomes a support ticket. Here's how we test for it.
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CHECKOUT
The Checkout Bug Pattern We Find in Almost Every Audit
Charge succeeds, order never gets created. We've flagged this exact bug in most of the checkouts we've audited - here's why it keeps happening and the three tests that expose it
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