public void testUniManyToOneUsingJoinTable() {
List<Class<?>> types = new ArrayList<Class<?>>();
types.add(EntityC.class);
types.add(Uni_MTo1_JT.class);
OpenJPAEntityManagerFactorySPI emf = createEMF2_0(types);
EntityManager em = emf.createEntityManager();
try {
// trigger table creation
em.getTransaction().begin();
em.getTransaction().commit();