1 Check that we don't do unnecessary style recalcs for sibling trees.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS internals.updateStyleAndReturnAffectedElementCount() is 4
7 PASS getComputedStyle(document.getElementById('green'), null).color is 'rgb(0, 128, 0)'
8 PASS successfullyParsed is true