exam fixed after assign

resources/lang/en/message.php

@@ -43,4 +43,8 @@ BODY,
         'subject' => 'Successful torrent purchase reminder',
         'body' => 'You spent :bonus bonus to successfully buy the torrent:[url=:url]:torrent_name[/url]',
     ],
+    'exam_user_end_time_updated' => [
+        'subject' => 'Exam :exam_name end time changed',
+        'body' => 'The end time of your in-progress exam :exam_name has changed from :old_end_time to :new_end_time. admin: :operator, reason: :reason.',
+    ],
 ];