final byte[] payload = Helper.stringToBytes(testMessage);
final long jobId = 111;
when(client.put(priority, delay, timeToRun, payload)).thenReturn(jobId);
final Producer producer = endpoint.createProducer();
assertNotNull("Producer", producer);
assertThat("Producer class", producer, instanceOf(BeanstalkProducer.class));
assertThat("Processor class", ((BeanstalkProducer) producer).getCommand(), instanceOf(PutCommand.class));
final Exchange exchange = template.send(endpoint, ExchangePattern.InOnly, new Processor() { // TODO: SetBodyProcessor(?)