lib/resource_waiter.js
function checkError(resp) {
    var value = this.config.successValue;
    if (typeof value === 'number') {
      return resp.httpResponse.statusCode === value;
    } else {
      return resp.error && resp.error.code === value;
    }
  }
function checkError(resp) {
    var value = this.config.successValue;
    if (typeof value === 'number') {
      return resp.httpResponse.statusCode === value;
    } else {
      return resp.error && resp.error.code === value;
    }
  }
Checks if the terminal expected error state has been met
@return [Boolean]