Testing the ScrubberSupport behavior when dragging the scrubber.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS mediaController.controls.timeControl.elapsedTimeLabel.element.getBoundingClientRect().width became different from 0
PASS media.currentTime became 3.1872

PASS successfullyParsed is true

TEST COMPLETE