| Test that opacity changes from less than 1 to 1 don't cause layout if the layer remains a stacking context | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS internals.updateStyleAndReturnAffectedElementCount() is 1 | |
| PASS internals.needsLayoutCount() is 0 | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |