message: suppress "unused qualifications" warnings from the test macros
diff: //! or with some other governance system that can add and remove validators, by starting a new
  //! protocol instance whenever the set of validators changes.
  +// This is to suppress warnings originating in the test macros
  +#![allow(unused_qualifications)]
  +
  // This needs to come before the other modules, so the macros are available everywhere.
  #[cfg(test)]
  #[macro_use]
  