dynamicOrgConfig.remove("javax.persistence.provider");
emf = Persistence.createEntityManagerFactory(PUNAME, dynamicOrgConfig);
EntityManager em = emf.createEntityManager();
EntityTransaction tx = em.getTransaction();
tx.begin();
ProviderTestEntity pte = new ProviderTestEntity();
em.persist(pte);
tx.commit();
Assert.assertNotNull(pte.getId(), "Entity was not persisted.");
}