PojoEndpointAuthenticationTestCase and EJBEndpointAuthenticationTestCase are failing intermittently

java.lang.AssertionError: String 'not allowed' was expected in SocketException invoking http://127.0.0.1:8080/jaxws-authentication-ejb3/EJB3AuthService: Socket Closed
	at org.junit.Assert.fail(Assert.java:93)
	at org.junit.Assert.assertTrue(Assert.java:43)
	at org.jboss.as.test.integration.ws.authentication.EJBEndpointAuthenticationTestCase.accessHelloForNoneWithValidRole3(EJBEndpointAuthenticationTestCase.java:352

javax.xml.ws.WebServiceException: Could not send Message.
    at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:145)
    at $Proxy110.hello(Unknown Source)
    at org.jboss.as.test.integration.ws.authentication.PojoEndpointAuthenticationTestCase.accessHelloWithValidUser1(PojoEndpointAuthenticationTestCase.java:116)
     ...
Caused by: java.net.SocketException: Socket Closed
    at java.net.PlainSocketImpl.getOption(PlainSocketImpl.java:286)
    at java.net.Socket.getSoTimeout(Socket.java:1032)
    at sun.net.www.http.HttpClient.available(HttpClient.java:356)