code: def teardown(self):
      # check here before unwrapping DistributedDataParallel in self.teardown
      attached_ddp_comm_hook_name = self.model._get_ddp_logging_data()[
          "comm_hook"
      ]
      assert (
          attached_ddp_comm_hook_name
          == self.expected_ddp_comm_hook_name
      )
      return super().teardown()
  
file_path: pytorch-lightning/tests/tests_pytorch/strategies/test_ddp_integration_comm_hook.py
imports: from unittest import mock
  import pytest
  import torch
  from lightning.pytorch import Trainer
  from lightning.pytorch.demos.boring_classes import BoringModel
  from lightning.pytorch.strategies import DDPStrategy
  from tests_pytorch.helpers.runif import RunIf
label_desc: Use image node_id 2 for calling the TestDDPStrategy obj's underlying member method code with example usage: obj.teardown() and returns: super