* Checks that the request's result matches the expected results.
* Assumes no rawcontinue and a complete batch.
* @param array $values Array is a two element array( request, expected_results )
- * @param array $session
+ * @param array|null $session
* @param bool $appendModule
- * @param User $user
+ * @param User|null $user
*/
protected function check( $values, array $session = null,
$appendModule = false, User $user = null