TEMPORARILY Disable music-on-hold playback test

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Enable rebuildrtp test back although it doesn't have any effect now

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Enable audio-video handling test back

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Enable test for old music-on-hold

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>