code: def test_new_key(self):
      metadata_og = get_autogluon_metadata()
      metadata_cu = copy.deepcopy(metadata_og)
      metadata_cu["new_key"] = "dummy_val"
      logs = compare_autogluon_metadata(
          original=metadata_og, current=metadata_cu
      )
      assert len(logs) == 0
  
file_path: autogluon/common/tests/unittests/utils/test_compare_autogluon_metadata.py
imports: import copy
  import unittest
  from autogluon.common.utils.utils import compare_autogluon_metadata, get_autogluon_metadata
label_desc: Use image node_id 8 for calling the CompareAutoGluonMetadataTestCase obj's underlying member method code with example usage: obj.test_new_key() without return types