* that a null username is used.
*/
public void testInvalidSecurityToken() throws Exception {
WSSecUsernameToken builder = new WSSecUsernameToken();
builder.addCreated();
builder.addNonce();
builder.setUserInfo(null, "security");
Document doc = unsignedEnvelope.getAsDocument();
WSSecHeader secHeader = new WSSecHeader();
secHeader.insertSecurityHeader(doc);