| Tests MediaStreamTrack callbacks. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS getUserMedia succeeded. | |
| PASS track.readyState is "live" | |
| PASS Track onmute callback succeeded. | |
| PASS track.readyState is "muted" | |
| PASS Track onunmute callback succeeded. | |
| PASS track.readyState is "live" | |
| PASS Track onended callback succeeded. | |
| PASS track.readyState is "ended" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |