Function cron_timezone_format_roundtrip

nodedb/src/config/server/scheduler.rs:229–234

()

    #[test]
    fn cron_timezone_format_roundtrip() {
        for s in ["+05:30", "-08:00", "+00:00", "+18:00", "-18:00", "+12:45"] {
            let parsed = CronTimezone::parse(s).unwrap();
            assert_eq!(parsed.as_string(), s, "roundtrip failed for '{s}'");
        }
    }

    #[test]
    fn cron_timezone_iana_rejected() {