Testing positioning and sizing of the tracks panel.

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


PASS mediaControls.tracksButton.element.getBoundingClientRect().right became different from 0
mediaControls.showTracksPanel()
PASS mediaControls.tracksPanel.element.style.right is "22px"
PASS mediaControls.tracksPanel.element.style.bottom is "38px"
PASS getComputedStyle(mediaControls.tracksPanel.element).height is "252px"
PASS getComputedStyle(mediaControls.tracksPanel.element.lastElementChild).height is "252px"
PASS getComputedStyle(mediaControls.tracksPanel.element.lastElementChild).overflowY is "scroll"

PASS successfullyParsed is true

TEST COMPLETE