Harness status: OK Found 16 tests 10 Pass 6 Fail Pass Setting a scroll timeline on a play-pending animation synchronizes currentTime of the animation with the scroll position. Pass Setting a scroll timeline on a pause-pending animation fixes the currentTime of the animation based on the scroll position once resumed Pass Setting a scroll timeline on a reversed play-pending animation synchronizes the currentTime of the animation with the scroll position. Fail Setting a scroll timeline on a running animation synchronizes the currentTime of the animation with the scroll position. Pass Setting a scroll timeline on a paused animation fixes the currentTime of the animation based on the scroll position when resumed Pass Setting a scroll timeline on a reversed paused animation fixes the currentTime of the animation based on the scroll position when resumed Pass Transitioning from a scroll timeline to a document timeline on a running animation preserves currentTime Pass Transitioning from a scroll timeline to a document timeline on a pause-pending animation preserves currentTime Pass Transition from a scroll timeline to a document timeline on a reversed paused animation maintains correct currentTime Pass Transitioning from a scroll timeline to a null timeline on a running animation preserves current progress. Fail Switching from a null timeline to a scroll timeline on an animation with a resolved start time preserved the play state Fail Switching from one scroll timeline to another updates currentTime Fail Switching from a document timeline to a scroll timeline updates currentTime when unpaused via CSS. Pass Switching from a document timeline to a scroll timeline and updating currentTime preserves the progress while paused. Fail Switching from a document timeline to a scroll timeline on an infinite duration animation. Fail Changing from a scroll-timeline to a view-timeline updates start time.