[scroll-timeline-dynamic.tentative.html]
  expected:
    if os == "mac": [OK, TIMEOUT]
  [Reverse animation direction [immediate\]]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1774060
    expected:
      if os == "mac": [FAIL, NOTRUN]
      FAIL

  [Reverse animation direction [scroll\]]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1774060
    expected:
      if os == "mac": [FAIL, NOTRUN]
      FAIL

  [Switching timelines and pausing at the same time [immediate\]]
    bug: https://github.com/w3c/csswg-drafts/issues/5653
    expected:
      if os == "mac": [PASS, NOTRUN]

  [Switching timelines and pausing at the same time [scroll\]]
    bug: https://github.com/w3c/csswg-drafts/issues/5653
    expected:
      if os == "mac": [FAIL, NOTRUN]
      FAIL

  [Change to timeline attachment while paused [immediate\]]
    expected:
      if os == "mac": [FAIL, NOTRUN]
      FAIL

  [Change to timeline attachment while paused [scroll\]]
    expected:
      if os == "mac": [FAIL, NOTRUN]
      FAIL

  [Changing to/from animation-timeline:none [scroll\]]
    expected:
      if os == "mac": [PASS, NOTRUN, TIMEOUT]

  [Changing computed value of animation-timeline changes effective timeline [scroll\]]
    expected:
      if os == "mac": [PASS, TIMEOUT]

  [Changing to/from animation-timeline:none [immediate\]]
    expected:
      if os == "mac": [PASS, NOTRUN]