[popover-animated-hide-cleanup.tentative.html]
  expected:
    if (os == "android") and fission: [TIMEOUT, OK]
  [Ensure no crashes if running animations are immediately cancelled (document removal)]
    expected: FAIL

  [Ensure no crashes if running animations are immediately cancelled (dialog showModal)]
    expected: FAIL

  [Ensure no crashes if running transitions are immediately cancelled (button click)]
    expected: FAIL