WHAT DOES "TEST THE SPIRIT" REALLY MEAN IN THE BIBLE

WHAT DOES "TEST THE SPIRIT" REALLY MEAN IN THE BIBLE? WHAT IS THE TEST?WHY IS IT NECESSARY? HOW DO YOIU TEST A SPIRIT? DOES EVERYONRE HAVE A SPIRIT? FIND OUT THE ANSWERS TO ALL OF THESE QUESTION TONIGHT AT 10:30PM ON MENTELLECT RADIO(BLOGTALK) FEAT THE INTEL.NUBEN MENKARAYZZ/MFA/144000