Revert debug level

Author: jason-fox

test/unit/ngsiv2/ngsiService/geoproperties-test.js

@@ -87,7 +87,7 @@ const iotAgentConfig2 = {
 
 describe('NGSI-v2 - Geo-JSON types autocast test', function () {
     beforeEach(function () {
-        logger.setLevel('DEBUG');
+        logger.setLevel('FATAL');
     });
 
     afterEach(function (done) {