def ut_get_arbitrary_supplied_kit_id_unverified(self):
        """ Returns a randomly chosen supplied_kit_id that is unverified.
            For unit testing only!

            Returns
            -------
            str: supplied_kit_id
                Example: 'FajNh'

            Raises
            ------
            ValueError
                If no unverified supplied_kit_id can be found in the DB.
            """
        with TRN:
            sql = """SELECT supplied_kit_id
                     FROM ag.ag_kit
                     WHERE ag.ag_kit.kit_verified = 'n'
                     LIMIT 1"""
            TRN.add(sql, [])
            info = TRN.execute_fetchindex()
            if not info:
                raise ValueError('No unverified kits in DB')
            return info[0][0]