firefox/testing/web-platform/meta/fenced-frame/default-enabled-features-attribution-disabled.https.html.ini

[default-enabled-features-attribution-disabled.https.html]
  [Same-origin fenced frame with allow attribute enabling required feature but page disabling feature.]
    expected: FAIL

  [Cross-origin fenced frame with allow attribute enabling required feature but page disabling feature.]
    expected: FAIL