[KeyframeEffect-setKeyframes.tentative.html]
  [A transition with replaced keyframes still returns the original transitionProperty]
    expected: FAIL

  [Keyframes set using setKeyframes() are reflected in computed style for a running transition]
    expected: FAIL

  [A transition with no keyframes still exhibits the regular transition reversing behavior]
    expected: FAIL

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

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

  [A transition with replaced keyframes animating nothing on a property being controlled by another modified transition exhibits normal reversing behavior and reverses from the other transition's current value.]
    expected: FAIL

  [A transition with replaced keyframes animating the same property still exhibits normal reversing behavior.]
    expected: FAIL

  [A transition with replaced keyframes animating a different property still exhibits normal reversing behavior  (reversing from the base value).]
    expected: FAIL

  [A transition with replaced keyframes animating nothing still exhibits normal reversing behavior (reversing from the base value).]
    expected: FAIL

  [A transition with replaced kefyrames and composite 'add' exhibits normal reversing behavior, and the effect is not double counted when calculating the before change style]
    expected: FAIL