public void testSignedTimestamp() throws Exception {
Document doc = unsignedEnvelope.getAsDocument();
WSSecHeader secHeader = new WSSecHeader();
secHeader.insertSecurityHeader(doc);
WSSecTimestamp timestamp = new WSSecTimestamp();
timestamp.setTimeToLive(300);
Document createdDoc = timestamp.build(doc, secHeader);
java.util.Vector parts = new java.util.Vector();
WSEncryptionPart encP =
new WSEncryptionPart(
"Timestamp",