call.setSOAPVersion(SOAPConstants.SOAP12_CONSTANTS);
SOAPEnvelope reqEnv = new SOAPEnvelope(SOAPConstants.SOAP12_CONSTANTS);
SOAPHeaderElement header = new SOAPHeaderElement(TEST_NS, "echoOk");
header.setRole(ROLE_C);
header.setObjectValue("test header");
reqEnv.addHeader(header);
SOAPEnvelope respEnv = call.invoke(reqEnv);
SOAPHeaderElement respHeader =
respEnv.getHeaderByName(TEST_NS, "responseOk");
assertNotNull(respHeader);
assertEquals("test header", respHeader.getValue());