org.jboss.test.cluster.defaultcfg.test.DRMTestCase.testIsMasterReplica fails on Windows EAP 5.3.0 due to 'Partition1 should contain two nodes; expected:<2> but was:<1>'

Stacktrace

junit.framework.AssertionFailedError: Partition1 should contain two nodes; expected:<2> but was:<1>
at org.jboss.test.cluster.defaultcfg.test.DRMTestCase.testIsMasterReplica(DRMTestCase.java:610)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)
Standard Output

GossipRouter started at Mon Mar 17 16:37:52 EDT 2014
Listening on port 12001 bound on address /127.0.0.1
Backlog is 1000, linger timeout is 2000, and read timeout is 3000

---------------------------------------------------------
GMS: address is 10.16.89.33:51997 (cluster=DRMTestCasePartition)
---------------------------------------------------------

---------------------------------------------------------
GMS: address is 10.16.89.33:51997 (cluster=JBossCache-Cluster)
---------------------------------------------------------

---------------------------------------------------------
GMS: address is 10.16.89.33:51998 (cluster=DRMTestCasePartition)
---------------------------------------------------------

---------------------------------------------------------
GMS: address is 10.16.89.33:51998 (cluster=JBossCache-Cluster)
---------------------------------------------------------

See:
https://jenkins.mw.lab.eng.bos.redhat.com/hudson/view/EAP5/view/AS-TestSuite/job/eap-5.3.x-JDK6-Win-matrix-CI/lastCompletedBuild/jdk=java16_default,label_exp=w2k8%26%26x86/testReport/org.jboss.test.cluster.defaultcfg.test/DRMTestCase/testIsMasterReplica/