sink: Extract common tests
sink: Extract common tests

kotamat/pyspotify,jodal/pyspotify,felix1m/pyspotify,mopidy/pyspotify,kotamat/pyspotify,felix1m/pyspotify,jodal/pyspotify,felix1m/pyspotify,mopidy/pyspotify,kotamat/pyspotify,jodal/pyspotify