WF TS should pass with non-"en_US.UTF-8" locale settings

WF TS should pass with non-"en_US.UTF-8" locale settings. These tests needs to be fixed:

• org.jboss.as.test.integration.ee.injection.resource.jndi.bad.BadResourceTestCase#testBadDU
• org.jboss.as.test.integration.jca.workmanager.WorkManagerThreadsCheckTestCase#testOneLongRunningThreadPool
• org.jboss.as.test.integration.jca.workmanager.WorkManagerThreadsCheckTestCase#testOneShortRunningThreadPool
• org.jboss.as.test.integration.jpa.epcpropagation.slsbxpc.FailBecauseOfXPCNotInSFSBTestCase#testSerialization
• org.jboss.as.test.integration.jpa.epcpropagation.unsync.TestForMixedSynchronizationTypes#testShouldGetEjbExceptionBecauseEPCIsAddedToTxAfterPc
• org.jboss.as.test.integration.ws.authentication.EJBEndpointNoClassLevelSecurityAnnotationAuthenticationTestCase#accessHelloWithAuthenticatedUser