Testing the MacOSFullscreenMediaControls computed styles.

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

PASS buttons.some(button => button.element.style.width == '') became false

PASS centerContainerBounds.left is 311
PASS centerContainerBounds.top is 500
PASS centerContainerBounds.width is 178
PASS centerContainerBounds.height is 44

PASS rightContainerBounds.left is within 0.5 of 496
PASS rightContainerBounds.top is 500
PASS rightContainerBounds.width is within 0.5 of 138
PASS rightContainerBounds.height is 44

PASS successfullyParsed is true

TEST COMPLETE