How to use the stestr.utils.cleanup_test_name function in stestr

def _update_test(self, test_dict, session, start_time, stop_time):
        test_id = utils.cleanup_test_name(test_dict['id'])
        db_test = db_api.get_test_by_test_id(test_id, session)
        if not db_test:
            if test_dict['status'] == 'success':
                success = 1
                fails = 0
            elif test_dict['status'] == 'fail':
                fails = 1
                success = 0
            else:
                fails = 0
                success = 0
            run_time = read_subunit.get_duration(start_time, stop_time)
            db_test = db_api.create_test(test_id, (success + fails), success,
                                         fails, run_time,
                                         session)
        else:

def _handle_test(self, test_dict):
        start, stop = test_dict['timestamps']
        if test_dict['status'] == 'exists' or None in (start, stop):
            return
        test_id = utils.cleanup_test_name(test_dict['id'])
        self._times[test_id] = str((stop - start).total_seconds())

def _get_test_times(self, test_ids):
        result = {}
        # TODO(mtreinish): after subunit2sql adds a bulk query for getting
        # multiple tests by test_id at once remove the for loop
        session = self.session_factory()
        for test_id in test_ids:
            stripped_test_id = utils.cleanup_test_name(test_id)
            test = db_api.get_test_by_test_id(stripped_test_id,
                                              session=session)
            if test:
                # NOTE(mtreinish): We need to make sure the test_id with attrs
                # is used in the output dict, otherwise the scheduler won't
                # see it
                result[test_id] = test.run_time
        session.close()
        return result

def _get_test_times(self, test_ids):
        # May be too slow, but build and iterate.
        # 'c' because an existing repo may be missing a file.
        try:
            db = my_dbm.open(self._path('times.dbm'), 'c')
        except my_dbm.error:
            os.remove(self._path('times.dbm'))
            db = my_dbm.open(self._path('times.dbm'), 'c')
        try:
            result = {}
            for test_id in test_ids:
                if type(test_id) != str:
                    test_id = test_id.encode('utf8')
                stripped_test_id = utils.cleanup_test_name(test_id)
                # gdbm does not support get().
                try:
                    duration = db[stripped_test_id]
                except KeyError:
                    duration = None
                if duration is not None:
                    result[test_id] = float(duration)
            return result
        finally:
            db.close()