code: def _load_config_file(path):
      
      with io.open(utils.abs_path(path), 'r', encoding='utf-8') as f:
          conf = yaml.load(f)
          return conf
docs: Loads a test config file.
  
      The test config file has to be in YAML format.
  
      Args:
          path: A string that is the full path to the config file, including the
              file name.
  
      Returns:
          A dict that represents info in the config file.