reduce logging output for integrated tests

mvn-defaults/pom.xml

@@ -543,7 +543,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.1</version>
                 <configuration>
                     <release>17</release>
                     <doctitle>${javadoc.name}</doctitle>

nbr-examples/src/test/resources/scripts/examples/extension_csvmetrics.js

@@ -21,7 +21,7 @@ activitydef = {
     "driver" : "diag",
     "cycles" : "50000",
     "threads" : "20",
-    "op": '{"log":"interval=1000"}',
+    "op": '{"log":"level=debug,interval=1000"}',
     "targetrate" : "10000.0"
 };
 scenario.start(activitydef);