| Tests that setting window.opener to null disown its opener | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS newWindow.opener is window | |
| PASS newWindow.opener = null did not throw exception. | |
| PASS newWindow.opener is null | |
| PASS openerGetter.call(newWindow) is null | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |