[custom-property-animation-length-percentage-space-list.html]
  [Animating a custom property of type <length-percentage>+ with a single keyframe]
    expected: FAIL

  [Animating a custom property of type <length-percentage>+ with additivity]
    expected: FAIL

  [Animating a custom property of type <length-percentage>+ with a single keyframe and additivity]
    expected: FAIL

  [Animating a custom property of type <length-percentage>+ with iterationComposite]
    expected: FAIL