class_docstr: Orion mock client for Runner.
class_docstr_tok: ["Orion","mock","client","for","Runner","."]
code: def _free_executor(self):
      if self.executor is not None:
          self.executor.__exit__(None, None, None)
          self.executor = None
          self.executor_owner = False
  
file_path: orion/tests/unittests/client/runner_subprocess.py
imports: from argparse import ArgumentParser
  from orion.client.runner import Runner
  from orion.core.utils.exceptions import WaitingForTrials
  from orion.core.worker.trial import Trial
  from orion.executor.base import executor_factory
label_desc: Use image node_id 7 for calling the FakeClient obj's underlying member method code with example usage: obj._free_executor() without return types