ReadFullModelTestCase (from jboss-eap) fails intermittently on IBM JDK

for (( i = 1; i <= 20 ; i++ )) ; do
./integration-tests.sh -Dmaven.repo.local=$MAVEN_REPO_LOCAL -fae -Dnode0=$MYTESTIP_1 -Dnode1=$MYTESTIP_2 -Dmcast=$MCAST_ADDR -Dts.manualmode  -DfailIfNoTests=false -Djboss.dist=$JBOSS_DIST -Dts.noSmoke  -DtestLogToFile=false -Dtest=ReadFullModelTestCase
done

java.lang.AssertionError: undefined
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.jboss.as.model.test.ModelTestUtils.checkOutcome(ModelTestUtils.java:121)
	at org.jboss.as.model.test.ModelTestUtils.checkResultAndGetContents(ModelTestUtils.java:106)
	at org.jboss.as.test.manualmode.model.ReadFullModelTestCase.test(ReadFullModelTestCase.java:81)

08:24:27,966 INFO  [org.jboss.arquillian.container.test.impl.client.container.ClientContainerController] (main) Manual starting of a server instance
08:24:28,211 WARNING [org.jboss.as.arquillian.container.managed.ManagedDeployableContainer] (main) Bundles path is deprecated and no longer used.
08:24:28,233 INFO  [org.jboss.as.arquillian.container.managed.ManagedDeployableContainer] (main) Starting container with: [/qa/tools/opt/ibm-java-80/bin/java, -D[Standalone], -Dorg.jboss.ejb.client.wildfly-testsuite-hack=true, -Xmx512m, -XX:MaxMetaspaceSize=256m, -Djboss.dist=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/jboss-eap-7.0, -Djava.net.preferIPv4Stack=true, -Djava.net.preferIPv6Addresses=false, -server, -Dts.timeout.factor=100, -Dnode0=10.16.95.142, -Dnode1=10.16.95.143, -Dmcast=227.43.88.176, -Dmcast.ttl=0, -Djbossas.ts.submodule.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode, -Djbossas.ts.integ.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/.., -Djbossas.ts.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/../.., -Djbossas.project.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/../../.., -Djboss.inst=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1, -Djboss.node.name=default-jbossas-messaging-ha-server1, -ea, -Djboss.home.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1, -Dorg.jboss.boot.log.file=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/standalone/log/server.log, -Dlogging.configuration=file:/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/standalone/configuration/logging.properties, -jar, /mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/jboss-modules.jar, -mp, /mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/modules:/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/jboss-eap-7.0/modules:/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/modules, org.jboss.as.standalone, -Djboss.home.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1, -Djboss.server.base.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/standalone, -Djboss.server.log.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/standalone/log, -Djboss.server.config.dir=/mnt/hudson_workspace/workspace/eap-7x-as-testsuite-test-integ-rhel-ibm-ReadFullModelTestCase/19de6045/testsuite/integration/manualmode/target/jbossas-messaging-ha-server1/standalone/configuration, -Dts.wildfly.version=7.0.0.ER7-redhat-1, -c=standalone-full-ha.xml]
08:24:28,457 INFO  [org.xnio] (main) XNIO version 3.3.6.Final-redhat-1
08:24:28,546 INFO  [org.xnio.nio] (main) XNIO NIO Implementation Version 3.3.6.Final-redhat-1
08:24:29,021 INFO  [org.jboss.remoting] (main) JBoss Remoting version 4.0.18.Final-redhat-1
&amp#27;[0m08:24:33,526 INFO  [org.jboss.modules] (main) JBoss Modules version 1.5.1.Final-redhat-1
&amp#27;[0m&amp#27;[0m08:24:35,462 INFO  [org.jboss.msc] (main) JBoss MSC version 1.2.6.Final-redhat-1
&amp#27;[0m&amp#27;[0m08:24:36,058 INFO  [org.jboss.as] (MSC service thread 1-7) WFLYSRV0049: JBoss EAP 7.0.0.GA (WildFly Core 2.1.0.Final-redhat-1) starting
&amp#27;[0m&amp#27;[0m08:24:42,246 INFO  [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0039: Creating http management service using socket-binding (management-http)
&amp#27;[0m&amp#27;[0m08:24:42,339 INFO  [org.xnio] (MSC service thread 1-1) XNIO version 3.3.6.Final-redhat-1
&amp#27;[0m&amp#27;[0m08:24:42,382 INFO  [org.xnio.nio] (MSC service thread 1-1) XNIO NIO Implementation Version 3.3.6.Final-redhat-1
&amp#27;[0m08:25:08,608 INFO  [org.jboss.arquillian.container.test.impl.client.container.ClientContainerController] (main) Manual stopping of a server instance