DbSession session;
@Before
public void setUp() throws Exception {
when(system2.now()).thenReturn(DateUtils.parseDate("2014-03-13").getTime());
dao = new ActivityDao(system2);
dbClient = new DbClient(db.database(), db.myBatis(), dao);
migration = new ChangeLogMigration(dao, dbClient);
session = dbClient.openSession(false);
}