run all tests correctly on selftest, using pytest

    args = parse_args()

    logging.basicConfig(format='%(message)s', level=args.log_level.upper())

    if args.test:

        logging.info('# running test suite')

        test_puppetdb_query()

        sys.exit(0)

        logging.info('running test suite')

        try:

            import pytest

        except ImportError:

            logging.error('test suite requires pytest to run properly')

            sys.exit(1)

        sys.exit(pytest.main([__file__]))

    try:

        main(args)

    except Exception as e: