protected void burnThroughTransactions(String dbName, String tblName, int num)
      throws MetaException, NoSuchTxnException, TxnAbortedException {
    burnThroughTransactions(dbName, tblName, num, null, null);
  }
Super class for all of the compactor test modules.
ql/src/test/org/apache/hadoop/hive/ql/txn/compactor/CompactorTest.java