protected void assertMessageInDlq() throws MuleException
{
MuleMessage dl = client.request(JMS_DEAD_LETTER, 1000);
assertNotNull(dl);
assertTrue(dl.getPayload() instanceof ExceptionMessage);
ExceptionMessage em = (ExceptionMessage) dl.getPayload();
assertNotNull(em.getException());
assertTrue(em.getException() instanceof MessageRedeliveredException);
}