Im not sure if there is any better way. I always set up 'org.jboss.as.ejb3' entry
(or any other entry I need) in logging subsystem conf prior test execution( in AS binary
). You can probably execute jboss-cli script to do this for jenkins run.
This  has simple example of such entry set for security.
----- Original Message -----
From: "Frank Langelage" <frank.langelage(a)osnanet.de>
Sent: Saturday, August 9, 2014 3:15:02 PM
Subject: [wildfly-dev] how to set EjbLogger.ROOT_LOGGER to DEBUG?
When running the testsuite, how can I set e.g. EjbLogger.ROOT_LOGGER,
which is used in TimerTask and TimerServiceImpl, to DEBUG level?
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