hunk.code_window:         os.chdir(old_dir)
   class TestValidateWorkingDir:
       @pytest.mark.parametrize("absolute_path", [True, False])
       def test_validate_working_dir_valid_path(self, test_directory,
                                                absolute_path):
  
hunk.labels: keep keep add keep keep keep keep
hunk.after_edit: def test_key_with_value_none():
       runtime_env_dict = {"pip": None}
       parsed_runtime_env = ParsedRuntimeEnv(runtime_env_dict)
       assert parsed_runtime_env == {}
  
hunk.file_path: python/ray/tests/test_runtime_env_validation.py
hunk.type: add
file: import datetime
  
  from typing import Dict, Optional
  
  
  def handle_result(created_on: datetime.datetime, category: str,
                    test_suite: str, test_name: str, status: str, results: Dict,
                    artifacts: Dict, last_logs: str) -> Optional[str]:
      assert test_suite == "rllib_tests"
  
      if not status == "finished":
          return f"Test script did not finish successfully ({status})."
  
      return None
  