mm.addBodyPart(mp3);
message.setSubject("test");
message.setContent(mm);
message.saveChanges();
Mail mail = new FakeMail();
mail.setMessage(message);
mailet.service(mail);
ByteArrayOutputStream rawMessage = new ByteArrayOutputStream();
mail.getMessage().writeTo(rawMessage,
new String[] { "Bcc", "Content-Length", "Message-ID" });
// String res = rawMessage.toString();
Collection c = (Collection) mail
.getAttribute(StripAttachment.SAVED_ATTACHMENTS_ATTRIBUTE_KEY);
assertNotNull(c);
assertEquals(1, c.size());