Allow Atomix logging configuration to be overridden in stc tests

Change-Id: I67c4365859f380dd8c89c645b1a52f382c2595a4
diff --git a/tools/test/bin/onos-config b/tools/test/bin/onos-config
index 65df721..6c9ad04 100755
--- a/tools/test/bin/onos-config
+++ b/tools/test/bin/onos-config
@@ -43,10 +43,8 @@
         >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/system.properties
 
     # Drop copycat related log level for the console
-    echo "log4j.logger.io.atomix=INFO" \
-        >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg
-    echo "log4j.logger.io.atomix.cluster.messaging=ERROR" \
-        >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg
+    echo "log4j2.logger.atomix.name = io.atomix.protocols.raft" >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg
+    echo "log4j2.logger.atomix.level = INFO" >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg
 
     # Patch the Apache Karaf distribution file to load ONOS boot features
     perl -pi.old -e \"s|^(featuresBoot=.*,management)(,webconsole,.*)|\1,$ONOS_BOOT_FEATURES|\" \