//! Tests for the public `Error` type.
usetimezone_data::Error;#[test]fnimplements_std_error(){fnassert_std_error<E:std::error::Error>(_: &E){}assert_std_error(&Error::NotFound);}#[test]fndisplay_messages(){assert!(format!("{}",Error::NotFound).contains("not found"));assert!(format!("{}",Error::BadPosixTz("bad")).contains("POSIX"));assert!(format!("{}",Error::BadPosixTz("bad")).contains("bad"));}