CMP testsuite failure: caller principal incorrect

A number of CMP tests are failing in the 4.0.4RC1 version of JBossAS as depicted here:

http://cruisecontrol.jboss.com/cc/artifacts/jboss-4.0-testsuite/20060124083616/results/index.html

All errors take the form of:

Expected updated by to be set to audituser2 during the test but got anonymous

junit.framework.AssertionFailedError: Expected updated by to be set to audituser2 during the test but got anonymous
at org.jboss.test.cmp2.audit.test.AuditUnitTestCase.testUpdateAuditChangedNames(AuditUnitTestCase.java:100)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
at junit.extensions.TestSetup.run(TestSetup.java:23)