Check that the sibling of an element that becomes :not(:empty) is properly recalculated

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


PASS getComputedStyle(sibling, '').backgroundColor is transparent
PASS getComputedStyle(sibling, '').backgroundColor is green
PASS successfullyParsed is true

TEST COMPLETE
This text should be green