private void cleanUpTableQuietly(String dbName, String tableName) {
    try {
      hm.dropTable(dbName, tableName, true, true, true);
    }
    catch(Exception exception) {
      fail("Unexpected exception: " + StringUtils.stringifyException(exception));
    }
  }
Test basic Hive class interaction, that:
- We can have different Hive objects throughout the lifetime of this thread.
ql/src/test/org/apache/hadoop/hive/ql/metadata/TestHive.java