| PASS Test changeType with an empty type. | |
| PASS Test changeType after SourceBuffer removed from mediaSource. | |
| PASS Test changeType while update pending. | |
| PASS Test changeType with null type. | |
| PASS Test changeType with unsupported type. | |
| PASS Test changeType transitioning readyState from 'ended' to 'open'. | |
| PASS Test changeType sets mode to sequence for change to type that generates timestamps | |
| PASS Test changeType retains previous mode when changing to type that doesn't generate timestamps | |