Make nosetests only look in tests/ for tests to run
Make nosetests only look in tests/ for tests to run

Without this, it will also look in mopidy/ for tests, and some modules there
may raise exceptions on import time because of missing dependencies, like dbus
not being available on OS X.

vrs01/mopidy,liamw9534/mopidy,rawdlite/mopidy,priestd09/mopidy,vrs01/mopidy,ZenithDK/mopidy,jcass77/mopidy,dbrgn/mopidy,SuperStarPL/mopidy,tkem/mopidy,diandiankan/mopidy,mokieyue/mopidy,kingosticks/mopidy,kingosticks/mopidy,bencevans/mopidy,mopidy/mopidy,quartz55/mopidy,dbrgn/mopidy,jodal/mopidy,pacificIT/mopidy,bacontext/mopidy,adamcik/mopidy,SuperStarPL/mopidy,hkariti/mopidy,abarisain/mopidy,bacontext/mopidy,ali/mopidy,bacontext/mopidy,swak/mopidy,ali/mopidy,ZenithDK/mopidy,mokieyue/mopidy,jodal/mopidy,hkariti/mopidy,diandiankan/mopidy,tkem/mopidy,glogiotatidis/mopidy,diandiankan/mopidy,tkem/mopidy,jodal/mopidy,bencevans/mopidy,mopidy/mopidy,vrs01/mopidy,glogiotatidis/mopidy,rawdlite/mopidy,bacontext/mopidy,abarisain/mopidy,rawdlite/mopidy,hkariti/mopidy,ali/mopidy,jcass77/mopidy,mokieyue/mopidy,dbrgn/mopidy,rawdlite/mopidy,ali/mopidy,woutervanwijk/mopidy,swak/mopidy,swak/mopidy,quartz55/mopidy,jmarsik/mopidy,swak/mopidy,vrs01/mopidy,bencevans/mopidy,woutervanwijk/mopidy,jmarsik/mopidy,adamcik/mopidy,dbrgn/mopidy,mokieyue/mopidy,SuperStarPL/mopidy,jmarsik/mopidy,kingosticks/mopidy,quartz55/mopidy,diandiankan/mopidy,bencevans/mopidy,priestd09/mopidy,ZenithDK/mopidy,priestd09/mopidy,pacificIT/mopidy,mopidy/mopidy,liamw9534/mopidy,glogiotatidis/mopidy,ZenithDK/mopidy,hkariti/mopidy,jcass77/mopidy,SuperStarPL/mopidy,adamcik/mopidy,glogiotatidis/mopidy,quartz55/mopidy,pacificIT/mopidy,pacificIT/mopidy,tkem/mopidy,jmarsik/mopidy