try {
client1.connect("localhost", getListenerPort());
client2.connect("localhost", getListenerPort());
client3.connect("localhost", getListenerPort());
client4.connect("localhost", getListenerPort());
assertTrue(client1.login(TESTUSER1_USERNAME, TESTUSER_PASSWORD));
assertTrue(client2.login(TESTUSER1_USERNAME, TESTUSER_PASSWORD));
assertTrue(client3.login(TESTUSER1_USERNAME, TESTUSER_PASSWORD));