JBossMessage check1 = ((MessageProxy)m).getMessage();
m.setString("map_entry", "map_value");
m.setStringProperty("property_entry", "property_value");
m.setJMSReplyTo(new JBossQueue("wibble"));
JBossMessage check2 = ((MessageProxy)m).getMessage();
checkSameUnderlyingMessage(check1, check2, true);
checkSameBody(check1, check2, true);