Validate VeilPay in test mode before a live storefront cutover.

What to verify

01
Woo order is created in pending state before payment.
02
Stripe payment object contains only minimized fields.
03
Signed callback resolves the opaque reference correctly.
04
Woo status changes only after the validated success event.

Recommended test cases

A
Single-order success path
B
Customer abandons before payment
C
Duplicate callback / replay rejection
D
Key mismatch and secret rotation behavior