playlist_container: Add missing lib mocks
playlist_container: Add missing lib mocks

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