| PASS Opaque origin should be serialized to "null" | |
| PASS BroadcastChannel messages from opaque origins should be self-contained | |
| PASS BroadcastChannel messages from data URL dedicated workers should be self-contained | |
| FAIL BroadcastChannel messages from data URL shared workers should be self-contained promise_test: Unhandled rejection with value: object "NotSupportedError: Shared workers are not supported" | |