code: def test_where_latest_partition_no_columns_no_values(mock_method):
      mock_method.return_value = ("01-01-19", None)
      db = mock.Mock()
      with app.app_context():
          result = HiveEngineSpec.where_latest_partition(
              "test_table", "test_schema", db, select()
          )
      assert result is None
  
imports: from unittest import mock
  import pytest
  import pandas
  from sqlalchemy.sql import select
  from superset.db_engine_specs.hive import HiveEngineSpec, upload_to_s3
  from superset.exceptions import SupersetException
  from superset.sql_parse import Table, ParsedQuery
  from tests.integration_tests.test_app import app
label_desc: Use image node_id 25 for calling a global function with example usage: test_where_latest_partition_no_columns_no_values(mock_method) without return types