alarm_manager tests: removed wait for thread(s) to exit
alarm_manager tests: removed wait for thread(s) to exit

DavisNT/mopidy-alarmclock,DavisNT/mopidy-alarmclock,rgov/mopidy-alarmclock,michaellunzer/mopidy-alarmclock,rgov/mopidy-alarmclock,rgov/mopidy-alarmclock,michaellunzer/mopidy-alarmclock,DavisNT/mopidy-alarmclock,michaellunzer/mopidy-alarmclock