// TODO move to a test / lint suite?
  oauth3._testPromise = function (PromiseA) {
    var promise;
    var x = 1;

    // tests that this promise has all of the necessary api
    promise = new PromiseA(function (resolve, reject) {
      //console.log('x [2]', x);
      if (x !== 1) {
        throw new Error("bad promise, create not Synchronous [0]");
      }

      PromiseA.resolve().then(function () {
        var promise2;

        //console.log('x resolve', x);
        if (x !== 2) {
          throw new Error("bad promise, resolve not Asynchronous [1]");
        }

        promise2 = PromiseA.reject().then(reject, function () {
          //console.log('x reject', x);
          if (x !== 4) {
            throw new Error("bad promise, reject not Asynchronous [2]");
          }

          if ('undefined' === typeof angular) {
            throw new Error("[NOT AN ERROR] Dear angular users: ignore this error-handling test");
          } else {
            return PromiseA.reject(new Error("[NOT AN ERROR] ignore this error-handling test"));
          }
        });

        x = 4;

        return promise2;
      }).catch(function (e) {
        if (e.message.match('NOT AN ERROR')) {
          resolve({ success: true });
        } else {
          reject(e);
        }
      });

      x = 3;
    });

    x = 2;
    return promise;
  };