WSSecHeader secHeader = new WSSecHeader();
secHeader.insertSecurityHeader(doc);
SpnegoTokenContext spnegoToken = new SpnegoTokenContext();
spnegoToken.retrieveServiceTicket("alice", null, "bob@service.ws.apache.org");
byte[] token = spnegoToken.getToken();
assertNotNull(token);
spnegoToken = new SpnegoTokenContext();