firefox/testing/web-platform/meta/scroll-animations/animation-trigger/animation-trigger.html.ini

[animation-trigger.html]
  [Default AnimationTrigger for CSS Animation]
    expected: FAIL

  [AnimationTrigger for CSS Animation with scroll() timeline]
    expected: FAIL

  [AnimationTrigger for CSS Animation with view() timeline]
    expected: FAIL

  [AnimationTrigger for CSS Animation with deferred timeline]
    expected: FAIL