Testing the VolumeSupport behavior when clicking the volume slider.

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


PASS media.paused became false
PASS !!muteButtonElement.getBoundingClientRect().width became true
PASS !!volumeSliderElement.getBoundingClientRect().width became true
PASS mediaController.controls.volumeSlider.parent.visible is true
PASS media.volume became 0.51
PASS successfullyParsed is true

TEST COMPLETE