Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
OracleNoSQLClient client = (OracleNoSQLClient) clients.get(PU);
// Check default values
Durability du = client.getDurability();
Consistency consist = client.getConsistency();
TimeUnit tu = client.getTimeUnit();
Assert.assertNotNull(du);
Assert.assertNotNull(consist);
Assert.assertNotNull(tu);
Assert.assertTrue(du instanceof Durability);