@Override
  void initHiveConf() {
    super.initHiveConf();
    HiveConf.setBoolVar(hiveConf, HiveConf.ConfVars.HIVE_ACID_TRUNCATE_USE_BASE, false);
  }
Tests here are for micro-managed tables:
specifically INSERT OVERWRITE statements and Major/Minor Compactions.
ql/src/test/org/apache/hadoop/hive/ql/TestTxnCommandsForMmTable.java