Check if the different tokens were logged in one record, assert by level.

def _check_pos(self, level, *tokens):
        """Check if the different tokens were logged in one record, assert by level."""
        for record in self.records:
            if all(record.levelno == level and token in record.message for token in tokens):
                return

        # didn't exit, all tokens are not present in the same record
        level_name = logging.getLevelName(level)
        msgs = ["Tokens {} not found in {}, all was logged is...".format(tokens, level_name)]
        for record in self.records:
            msgs.append("    {:9s} {!r}".format(record.levelname, record.message))
        self.test_instance.fail("\n".join(msgs))