| This is a testharness.js-based test. | |
| PASS index before first | |
| PASS index after final | |
| FAIL index not specified Failed to execute 'insertRule' on 'CSSGroupingRule': 2 arguments required, but only 1 present. | |
| PASS index exceeds length | |
| PASS CSS parsing error | |
| PASS constraint violation | |
| PASS disallowed namespace rule | |
| Harness: the test ran to completion. | |