newOrder.getBatters().add(p2);
em.getTransaction().commit();
em.clear();
// Simple assertion via find
newOrder = em.find(BattingOrder.class, order.id);
assertNotNull(newOrder);
assertNotNull(newOrder.getBatters());
assertEquals(playersArr.size(), newOrder.getBatters().size());
for (int i = 0; i < playersArr.size() ; i++) {
assertEquals(newOrder.getBatters().get(i), (playersArr.get(i)));