#[cfg(test)]
mod tests {
    use crate::utils::author::normalize_author_identity;

    #[test]
    fn test_normalize_author_identity() {
        let identity = normalize_author_identity("John Doe", "john@example.com");
        assert!(identity.contains("john@example.com"));
    }

    #[test]
    fn test_normalize_email_lowercase() {
        let identity = normalize_author_identity("John", "JOHN@EXAMPLE.COM");
        assert!(identity.contains("john@example.com"));
    }
}