l1.assertCounts(1, 1, 0, 0);
l2.assertCounts(0, 0, 0, 0);
em2.getTransaction().begin();
SimpleEntity e2 = new SimpleEntity();
em2.persist(e2);
l1.assertCounts(1, 1, 0, 0);
l2.assertCounts(1, 1, 0, 0);
em2.getTransaction().commit();
l1.assertCounts(1, 1, 0, 0);