| Testing that a media document initially starts with an audio layout and then transitions to a video layout. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS media.classList.contains('audio') is true | |
| PASS media.classList.contains('video') became true | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |