| When an optgroup element became 'disabled' or not-'disabled', distribution should happen. | |
| Since an optgroup element does not create a renderer, we cannot check this using reftest. | |
| PASS nodes1.length is 1 | |
| PASS nodes1.item(0).innerHTML is "optgroup 2" | |
| PASS nodes2.length is 1 | |
| PASS nodes2.item(0).innerHTML is "optgroup 3" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |