code: def teardown_method(self):
      tables_to_drop = ["test_postgres_to_postgres", "test_airflow"]
      with PostgresHook().get_conn() as conn:
          with conn.cursor() as cur:
              for table in tables_to_drop:
                  cur.execute(f"DROP TABLE IF EXISTS {table}")
  
file_path: airflow/tests/operators/test_generic_transfer.py
imports: from __future__ import annotations
  from contextlib import closing
  from unittest import mock
  import pytest
  from airflow.models.dag import DAG
  from airflow.operators.generic_transfer import GenericTransfer
  from airflow.providers.postgres.hooks.postgres import PostgresHook
  from airflow.utils import timezone
label_desc: Use image node_id 2 for calling the TestPostgres obj's underlying member method code with example usage: obj.teardown_method() without return types