class_docstr: Testing the early stopping utilities functionality that is not tested in
  main `AxClient` testing suite (`TestServiceAPI`).
code: def test_should_stop_trials_early_no_strategy(self) -> None:
      actual = early_stopping_utils.should_stop_trials_early(
          early_stopping_strategy=None,
          # pyre-fixme[6]: For 2nd param expected `Set[int]` but got `List[int]`.
          trial_indices=[1, 2, 3],
          experiment=self.branin_experiment,
      )
      expected = {}
      self.assertEqual(actual, expected)
  
file_path: Ax/ax/service/tests/test_early_stopping.py
imports: from typing import Dict, Optional
  from ax.service.utils import early_stopping
  from ax.utils.common.testutils import TestCase
  from ax.utils.testing.core_stubs import DummyEarlyStoppingStrategy, get_branin_experiment
label_desc: Use image node_id 3 for calling the TestEarlyStoppingUtils obj's underlying member method code with example usage: obj.test_should_stop_trials_early_no_strategy() without return types