Mine

Mine.gs

function Package () {
  return { 
   output: function () { return "works"; }
  }
}

setup.gs

(function () {
  return {
    version: 1,
    packages: [
      {"other": "56741f4ad0bc607d3b531678dbae41ba"},
    ]
  };
})();

unittests.gs

function Tests () {
  var myself = Package();
  var someoneElse = pkg.other(); // huh?
  if (myself.output() == 'works') {
    if (someoneElse.spooky() == "BOO!") {
      throw Error("Successful");
    }
  } else {
    throw Error("NOPE");
  }
}