[animation-trigger-parsing.tentative.html]
  [e.style['animation-trigger'\] = "initial" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "inherit" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "unset" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "revert" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "none" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "none, none" should set the property value]
    expected: FAIL

  [Property animation-trigger value 'none']
    expected: FAIL

  [Property animation-trigger value 'none, none']
    expected: FAIL

  [Property animation-trigger value '--foo play, --bar pause']
    expected: FAIL

  [e.style['animation-trigger'\] = "--abc play" should set the property value]
    expected: FAIL

  [Property animation-trigger value '--bar play, --foo pause']
    expected: FAIL

  [Property animation-trigger value '  --abc play']
    expected: FAIL

  [e.style['animation-trigger'\] = "--aBc-dEf play" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "  --abc play" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "--aBc play pause" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "--foo play pause, --bar play pause" should set the property value]
    expected: FAIL

  [Property animation-trigger value '--aBc play']
    expected: FAIL

  [Property animation-trigger value '--aBc play, --aBc reset']
    expected: FAIL

  [Property animation-trigger value '--a play, none, --b play']
    expected: FAIL

  [e.style['animation-trigger'\] = "---aBc play" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "--aBc play" should set the property value]
    expected: FAIL

  [Property animation-trigger value '--abc play']
    expected: FAIL

  [Property animation-trigger value '---abc play']
    expected: FAIL

  [e.style['animation-trigger'\] = "---aBc-dEf play" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "--bar play reset, --foo play reset" should set the property value]
    expected: FAIL

  [e.style['animation-trigger'\] = "--a play pause, none, --b play reset" should set the property value]
    expected: FAIL