code: def test_register_huggingface_model_config(self):
      register_huggingface_model_config("stanford-crfm/BioMedLM@main")
      expected_model_config = HuggingFaceModelConfig(
          namespace="stanford-crfm",
          model_name="BioMedLM",
          revision="main",
      )
      actual_model_config = get_huggingface_model_config(
          "stanford-crfm/BioMedLM@main"
      )
      self.assertEqual(actual_model_config, expected_model_config)
  
file_path: H2O/h2o_hf/helm/src/helm/proxy/clients/test_huggingface_model_registry.py
imports: import pytest
  import unittest
  from typing import List, Tuple
  from helm.benchmark.run_expander import ModelRunExpander
  from helm.proxy.clients.huggingface_model_registry import HuggingFaceModelConfig, register_huggingface_model_config, get_huggingface_model_config
  from helm.proxy.models import get_all_models, get_all_text_models
label_desc: Use image node_id 3 for calling the TestHuggingFaceModelRegistry obj's underlying member method code with example usage: obj.test_register_huggingface_model_config() without return types