### Question:
ActivityManager extends AbstractMongoManager { public void reload() { List<DBObject> list = MongoDBUtil.queryAllFromMongo(null, databaseName, namespace, COLL_NAME, null); synchronized (dataList) { dataList.clear(); for ( DBObject obj : list ) { PromotionPojo promotion = (PromotionPojo)MongoDBUtil.constructObject(obj); dataList.add(promotion); logger.debug("Load promotion {} from database.", promotion.getMessage()); } } } private  ActivityManager(); void reload(); void sendPromotionMessages(User user); static final ActivityManager getInstance(); String getActivityUrl(); void displayActivityForUser(User user); void setActivityUrl(String url, int expireSeconds); synchronized float getActivityExpRate(User user); synchronized float getActivityStrengthRate(User user); synchronized void consumeDoubleExp(User user); synchronized void setActivityExpRate(String serverId, float expRate, int expireSeconds); synchronized void setActivityStrengthRate(String serverId, float strRate, int expireSeconds); synchronized void setActivityExpRate(User user, int battleCount, float expRate, int expireSeconds); static final String KEY_ACT_URL; static final String KEY_ACT_USER; static final String KEY_ACT_EXPRATE; static final String KEY_USER_EXPRATE; static final String KEY_ACT_STRRATE; static final String KEY_USER_STRRATE; static final String FIELD_BATTLECOUNT; static final String FIELD_STRCOUNT; static final String FIELD_EXPRATE; static final String FIELD_STRRATE; static final String FIELD_SERVERID; }### Answer:
@Test public void testReload() throws Exception { }