in src/utils/mod.rs [760:771]
fn test_kms_sign_key_data_from_valid_key_arn() -> Result<(), std::io::Error> {
let cert_file_path = generate_certificate_file()?;
let key_arn =
env::var("AWS_KMS_TEST_KEY_ARN").expect("Please set AWS_KMS_TEST_KEY_ARN");
let key_data = SignKeyData::new(&key_arn, &cert_file_path).unwrap();
assert_eq!(key_data.cert, TEST_CERT_CONTENT);
assert!(matches!(key_data.key, SignKey::KmsKey(_)));
Ok(())
}