| PASS Messages from ServiceWorker to Client only received after DOMContentLoaded event. | |
| PASS Messages from ServiceWorker to Client only received after calling startMessages(). | |
| PASS Messages from ServiceWorker to Client only received after setting onmessage. | |
| PASS Microtasks run before dispatching messages after calling startMessages(). | |
| PASS Microtasks run before dispatching messages after setting onmessage. | |