### Question:
TipManager extends AbstractMongoManager { public List<TipPojo> getTips() { return dataList; } TipManager(); static TipManager getInstance(); void reload(); List<TipPojo> getTips(); BseTip toBseTip(User user);  }### Answer:
@Test public void testGetTips() { Collection<TipPojo> maps = TipManager.getInstance().getTips(); assertTrue(maps.size()>=12); }