Function hostname_is_non_empty

nodedb/src/version.rs:168–174

()

    #[test]
    fn hostname_is_non_empty() {
        let h = hostname();
        assert!(
            !h.is_empty(),
            "hostname() must never return an empty string"
        );
    }

    #[test]
    fn build_profile_is_debug_or_release() {