[constructor.html]
  [A KeyframeEffect can be constructed with a property-indexed keyframes specification with a CSS variable as the property]
    expected: FAIL

  [A KeyframeEffect can be constructed with a keyframe sequence with a CSS variable as its property]
    expected: FAIL

  [A KeyframeEffect can be constructed with a two property (one shorthand and one of its shorthand components) two value property-indexed keyframes specification]
    expected: FAIL