message: added constants for test
diff: @@ -411,6 +411,10 @@ impl From<ParseIntError> for CryptoError {
  mod tests {
  use super::*;
  use utils::logger::LoggerUtils;
  + use services::crypto::anoncreds::constants::{
  + LARGE_UTILDE,
  + LARGE_RTILDE,
  + };
  extern crate serde_json;
  