code: def test_format_refers_root():
      """Test refers section formatting for a root experiment"""
      experiment = DummyExperiment()
      experiment.node = DummyExperiment()
      experiment.node.root = experiment.node
  
      # experiment.refers = dict(
      #     parent='user',
      #     datetime='now',
      #     orion_version='1.0.1')
  
      assert format_refers(experiment) == textwrap.dedent(
          """\
          Parent experiment
          =================
          root:
          parent:
          adapter:
          """
      )
  
imports: import itertools
  import textwrap
  import pytest
  from orion.core.io.space_builder import SpaceBuilder
  from orion.core.utils.format_terminal import format_algorithm, format_commandline, format_config, format_dict, format_identification, format_info, format_list, format_metadata, format_refers, format_space, format_stats, format_title, get_trial_params
  from orion.core.worker.experiment import ExperimentStats
  from orion.core.worker.trial import Trial
label_desc: Use image node_id 32 for calling a global function with example usage: test_format_refers_root() without return types