firefox/testing/web-platform/meta/fenced-frame/content-index.https.html.ini

[content-index.https.html]
  [index.add should fail inside a fenced frame]
    expected: FAIL

  [index.delete should fail inside a fenced frame]
    expected: FAIL

  [index.getAll should fail inside a fenced frame]
    expected: FAIL

  [index.add should fail from the service worker inside a fenced frame]
    expected: FAIL

  [index.delete should fail from the service worker inside a fenced frame]
    expected: FAIL

  [index.getAll should fail from the service worker inside a fenced frame]
    expected: FAIL