MessageExchange[] exchanges = auditor.getExchangesByRange(0, 1);
assertNotNull(exchanges);
assertEquals(1, exchanges.length);
assertEquals(ExchangeStatus.DONE, exchanges[0].getStatus());
auditor.resendExchange(exchanges[0]);
nbMessages = auditor.getExchangeCount();
assertEquals(2, nbMessages);
MessageExchange exchange = auditor.getExchangeByIndex(1);
assertNotNull(exchange);