code: def test_merge_config(
      self,
      context: det_torch.PyTorchTrialContext,
      trial: mh_mmdet.MMDetTrial,
  ) -> None:
      hparams = context.get_hparams()
      hparams["merge_config"] = "./tests/fixtures/merge_config.py"
      trial.hparams = mh_utils.AttrDict(hparams)
      new_cfg = trial.build_mmdet_config()
      assert new_cfg.optimizer.type == "AdamW"
      assert new_cfg.optimizer_config.grad_clip.max_norm == 0.1
  
imports: import os
  import shutil
  from typing import Generator
  import git
  import pytest
  import torch
  import determined
  import determined.pytorch
  import model_hub.mmdetection
  import model_hub.mmdetection._callbacks
  import model_hub.utils
  from determined.common import util
label_desc: Use image node_id 1 for calling the TestMMDetTrial obj's underlying member method code with example usage: obj.test_merge_config(context, trial) without return types