Add configurable subjects to question sets

administrator/components/com_testquestions/src/Controller/SubjectController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Komponent\Component\Testquestions\Administrator\Controller;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\Controller\FormController;
+
+class SubjectController extends FormController
+{
+    protected $view_item = 'subject';
+    protected $view_list = 'subjects';
+
+    public function cancel($key = null)
+    {
+        $this->setRedirect('index.php?option=com_testquestions&view=subjects');
+
+        return true;
+    }
+}