Reduce log output for keycloak dev/test server

testsuite/integration/src/main/resources/log4j.properties

@@ -1,5 +1,7 @@
-log4j.rootLogger=debug, stdout
+log4j.rootLogger=info, stdout
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p [%c] %m%n
+log4j.appender.stdout.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p [%c] %m%n
+
+log4j.logger.org.keycloak=debug