public void checkForIDRepeats() throws Exception {
        final int iterations = 2500;
        long repeats = 0;
        logTestStart();
        // Run a few thousand iterations and check for repeats
        Set<Long> observed = new HashSet<Long>(iterations * 2);
        BOSHClientConfig cfg = session.getBOSHClientConfig();
        for (int i=0; i<iterations; i++) {
            // Initiate a new session
            BOSHClient sess = BOSHClient.create(cfg);
            sess.send(ComposableBody.builder().build());
            StubConnection conn = cm.awaitConnection();
            AbstractBody req = conn.getRequest().getBody();
            String rid = req.getAttribute(Attributes.RID);
            if (!observed.add(Long.valueOf(rid))) {
                repeats++;
            }

            conn.closeConnection();
            sess.close();
        }
        LOG.info("Repeated initial RID " + repeats + " time(s)");
        if (repeats >= 2) {
            fail("Initial RID repeated " + repeats + " times in "
                    + iterations + " iterations");
        }
    }