code: def test_base_runner_clone(self) -> None:
      runner_clone = self.dummy_runner.clone()
      self.assertIsInstance(runner_clone, DummyRunner)
      self.assertEqual(runner_clone, self.dummy_runner)
  
file_path: Ax/ax/core/tests/test_runner.py
imports: from unittest import mock
  from ax.core.base_trial import BaseTrial
  from ax.core.runner import Runner
  from ax.utils.common.testutils import TestCase
  from ax.utils.testing.core_stubs import get_batch_trial, get_trial
label_desc: Use image node_id 4 for calling the RunnerTest obj's underlying member method code with example usage: obj.test_base_runner_clone() without return types