code: def test_get_pandas_df(self):
      statement = "SQL"
      column = "col"
      result_sets = [("row1",), ("row2",)]
      self.cur.description = [(column,)]
      self.cur.fetchall.return_value = result_sets
      df = self.db_hook.get_pandas_df(statement)
  
      assert column == df.columns[0]
  
      assert result_sets[0][0] == df.values.tolist()[0][0]
      assert result_sets[1][0] == df.values.tolist()[1][0]
  
      self.cur.execute.assert_called_once_with(statement, None)
  
imports: from __future__ import annotations
  import json
  import re
  from unittest import mock
  from unittest.mock import patch
  import pytest
  from prestodb.transaction import IsolationLevel
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.presto.hooks.presto import PrestoHook, generate_presto_client_info
label_desc: Use image node_id 5 for calling the TestPrestoHook obj's underlying member method code with example usage: obj.test_get_pandas_df() without return types