| Test that 'RemotePlaybackAvailabilityCallback' callback is called when playback devices come and go. | |
| ** test initial callback when device is unavailable | |
| CALLBACK( available=false ) | |
| ** simulate device becoming available | |
| CALLBACK( available=true ) | |
| ** test initial callback when device is available | |
| CALLBACK( available=true ) | |
| ** simulate device becoming unavailable | |
| CALLBACK( available=false ) | |
| END OF TEST | |