[CSSTransition-effect.tentative.html]
  [After setting a transition's effect to null, it still reports the original transition property]
    expected: FAIL

  [After setting a transition's effect to null, it becomes finished]
    expected: FAIL

  [A transition with a replaced effect still exhibits the regular transition reversing behavior]
    expected: FAIL

  [After setting a new keyframe effect targeting different properties, the transition continues to report the original transition property]
    expected: FAIL

  [After setting a new keyframe effect with a shorter duration, the transition becomes finished]
    expected: FAIL

  [A transition with no effect still returns the original transitionProperty]
    expected: FAIL

  [After setting a new keyframe effect on a play-pending transition, the transition remains pending]
    expected: FAIL

  [After setting a transition's effect to null, it should be possible to interrupt that transition]
    expected: FAIL

  [After setting a transition's effect to null, a new transition can be started]
    expected: FAIL

  [After setting a transition's effect to null, style is updated]
    expected: FAIL