code: def test_max_pandas_timestamp(input_, expected) -> None:
      from superset.db_engine_specs import BaseEngineSpec
      from superset.result_set import SupersetResultSet
  
      cursor_descr: DbapiDescription = [
          ("a", "datetime", None, None, None, None, False),
          ("b", "int", None, None, None, None, False),
      ]
      results = SupersetResultSet(input_, cursor_descr, BaseEngineSpec)
      df = results.to_pandas_df()
  
      assert df_to_records(df) == expected
  
file_path: superset/tests/unit_tests/dataframe_test.py
imports: from datetime import datetime
  import pytest
  from pandas import Timestamp
  from pandas._libs.tslibs import NaT
  from superset.dataframe import df_to_records
  from superset.superset_typing import DbapiDescription
label_desc: Use image node_id 6 for calling a global function with example usage: test_max_pandas_timestamp(input_, expected) without return types