| Harness Error (FAIL), message = ReferenceError: Can't find variable: SharedWorker | |
| FAIL postMessage Can't find variable: worker | |
| FAIL start Can't find variable: worker | |
| FAIL close Can't find variable: worker | |
| FAIL onmessage Can't find variable: worker | |
| FAIL addEventListener Can't find variable: worker | |
| FAIL removeEventListener Can't find variable: worker | |
| FAIL despatchEvent Can't find variable: worker | |