[2d.drawImage.animated.poster.html]
  disabled:
    if (os == "mac") and (os_version == "10.15"): https://bugzilla.mozilla.org/show_bug.cgi?id=1753364
    if win10_2004 and debug: https://bugzilla.mozilla.org/show_bug.cgi?id=1753364
  expected:
    if (os == "linux") and not fission and swgl: [ERROR, OK]
    [OK, ERROR]
  [drawImage() of an APNG draws the poster frame]
    expected: FAIL