Chais as Promised performance issues

chai-as-promised-performance.js

#!/usr/bin/env mocha --reporter spec --timeout 5000
var chai = require("chai");
var Q = require("q");
chai.should();
chai.use(require("chai-as-promised"));

describe("The string", function() {
  it("should eventually be string", function() {
    'x'.should.be.a('string');
  });
  it("should eventually be string", function() {
    for(var i = 0; i < 200; i++)
      'x'.should.be.a('string');
  });
});

describe("The promise", function() {
  it("should eventually be string", function(done) {
    Q.delay('x', 10).should.eventually.be.a('string').notify(done);
  });
  it("should eventually be string", function(done) {
    var callbackCount = 0;
    for(var i = 0; i < 200; i++)
      Q.delay('x', 10).should.eventually.be.a('string').notify(function () {
        if (++callbackCount == 200)
          done();
      });
  });
});