| Testing the MuteSupport behavior by using the media API. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS mediaController.controls.muteButton.muted is false | |
| volumechange event was dispatched | |
| PASS media.muted is true | |
| PASS mediaController.controls.muteButton.muted is true | |
| volumechange event was dispatched | |
| PASS media.muted is false | |
| PASS mediaController.controls.muteButton.muted is false | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |