docs: def delete_experiment(self):
          '''Deletes the experiment.
  
          See also
          --------
          :func:`tmserver.api.experiment.delete_experiment`
          :class:`tmlib.models.experiment.ExperimentReference`
          :class:`tmlib.models.experiment.Experiment`
          '''
          logger.info('delete experiment "%s"', self.experiment_name)
          url = self._build_api_url(
              '/experiments/{experiment_id}'.format(
                  experiment_id=self._experiment_id
              )
          )
          res = self._session.delete(url)
          res.raise_for_status()
          del self.__experiment_id