HV-1591 Update Log4j configuration for testing

The rootLonger didn't seemt to be configured correctly

Author: DavideD

engine/src/test/resources/log4j2.properties

@@ -1,7 +1,8 @@
 # License: Apache License, Version 2.0
 # See the LICENSE file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
-
-status = error
+rootLogger.level = error
+rootLogger.appenderRefs = console
+rootLogger.appenderRef.console.ref = console
 
 # Direct log messages to stdout
 appender.console.type = Console