No need to invalidate for selectors right of ::content as ::content causes subtree invalidation.

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


PASS getComputedStyle(green).color is "rgb(0, 0, 0)"
PASS internals.updateStyleAndReturnAffectedElementCount() is 2
PASS getComputedStyle(green).color is "rgb(0, 128, 0)"
PASS successfullyParsed is true

TEST COMPLETE
This text should be green