assertFalse(client.deleteMessage(1));
assertNull(client.retrieveMessage(1));
assertNull(client.retrieveMessageTop(1, 10));
assertNull(client.status());
assertFalse(client.reset());
client.logout();
client.connect(address.getAddress().getHostAddress(), address.getPort());
assertTrue(client.login("valid", "valid"));
assertNotNull(client.listMessages());