Harness status: OK Found 10 tests 8 Pass 2 Fail Pass After setting a transition's effect to null, it still reports the original transition property Pass After setting a transition's effect to null, it becomes finished Pass After setting a transition's effect to null, style is updated Fail After setting a transition's effect to null, a new transition can be started Pass After setting a transition's effect to null, it should be possible to interrupt that transition Pass After setting a new keyframe effect with a shorter duration, the transition becomes finished Pass After setting a new keyframe effect targeting different properties, the transition continues to report the original transition property Pass After setting a new keyframe effect on a play-pending transition, the transition remains pending Pass A transition with no effect still returns the original transitionProperty Fail A transition with a replaced effect still exhibits the regular transition reversing behavior