@Override
  protected void dropTables() throws Exception {
    super.dropTables();
    for (TestTxnCommandsForMmTable.TableExtended t : TestTxnCommandsForMmTable.TableExtended.values()) {
      runStatementOnDriver("drop table if exists " + t);
    }
  }
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