class_docstr: TestExecutor is used for unit testing purposes.
code: def terminate(self):
      pass
  
file_path: airflow/tests/test_utils/mock_executor.py
imports: from __future__ import annotations
  from collections import defaultdict
  from unittest.mock import MagicMock
  from airflow.executors.base_executor import BaseExecutor
  from airflow.models.taskinstancekey import TaskInstanceKey
  from airflow.utils.session import create_session
  from airflow.utils.state import State
label_desc: Use image node_id 4 for calling the MockExecutor obj's underlying member method code with example usage: obj.terminate() without return types