client.useTube((String) tubeNames[1]);
long jobId = client.put(65536, timeoutSeconds, 120, srcString.getBytes());
assertTrue(jobId > 0);
// not found
boolean ok = client.release(jobId, 65536, 0);
assertFalse(ok);
Job job = client.reserve(null);
assertNotNull(job);
assertEquals(jobId, job.getJobId());