tests: Convert local tracklist test to use core actor proxy.
tests: Convert local tracklist test to use core actor proxy.

tkem/mopidy,mopidy/mopidy,adamcik/mopidy,ZenithDK/mopidy,ZenithDK/mopidy,mokieyue/mopidy,vrs01/mopidy,kingosticks/mopidy,jcass77/mopidy,mopidy/mopidy,ZenithDK/mopidy,jodal/mopidy,mopidy/mopidy,mokieyue/mopidy,tkem/mopidy,ZenithDK/mopidy,mokieyue/mopidy,vrs01/mopidy,kingosticks/mopidy,jodal/mopidy,adamcik/mopidy,jcass77/mopidy,adamcik/mopidy,jodal/mopidy,tkem/mopidy,kingosticks/mopidy,vrs01/mopidy,vrs01/mopidy,jcass77/mopidy,tkem/mopidy,mokieyue/mopidy