code: function (expected, hash) {
      this.actionQueue.push(this.webdriverClient.getUrl.bind(this.webdriverClient));
      this.actionQueue.push(this._urlCb.bind(this, expected, hash));
      return this;
    }
docs: Fetches the current url
  
  @method url
  @param {string} expected Expected url
  @param {string} hash Unique hash of that fn call
  @chainable