gecko-dev/testing/web-platform/meta/feature-policy/payment-allowed-by-feature-policy-attribute.https.sub.html.ini

[payment-allowed-by-feature-policy-attribute.https.sub.html]
  [Feature policy "payment" can be enabled in same-origin iframe using allow="payment" attribute]
    expected: FAIL

  [Feature policy "payment" can be enabled in cross-origin iframe using allow="payment" attribute]
    expected: FAIL