| This is a testharness.js-based test. |
| FAIL idl_test setup promise_test: Unhandled rejection with value: object "CSSScrollTimelineRule inherits CSSRule, but CSSRule is undefined." |
| PASS idl_test validation |
| PASS Partial interface Element: member names are unique |
| PASS Element includes Animatable: member names are unique |
| PASS Element includes ParentNode: member names are unique |
| PASS Element includes NonDocumentTypeChildNode: member names are unique |
| PASS Element includes ChildNode: member names are unique |
| PASS Element includes Slottable: member names are unique |
| Harness: the test ran to completion. |
| |
