Clean up unit testing util class
Clean up unit testing util class

ninioe/traccar,vipien/traccar,joseant/traccar-1,stalien/traccar_test,jon-stumpf/traccar,vipien/traccar,tsmgeek/traccar,ninioe/traccar,tananaev/traccar,5of9/traccar,renaudallard/traccar,al3x1s/traccar,al3x1s/traccar,renaudallard/traccar,AnshulJain1985/Roadcast-Tracker,orcoliver/traccar,jssenyange/traccar,jon-stumpf/traccar,tananaev/traccar,AnshulJain1985/Roadcast-Tracker,tsmgeek/traccar,jon-stumpf/traccar,duke2906/traccar,5of9/traccar,stalien/traccar_test,jssenyange/traccar,orcoliver/traccar,tananaev/traccar,tsmgeek/traccar,joseant/traccar-1,orcoliver/traccar,jssenyange/traccar,duke2906/traccar,ninioe/traccar