- Patch #246261 by pwolanin: simpletest does not handle optgroup correctly

modules/simpletest/drupal_web_test_case.php

@@ -1107,7 +1107,9 @@ private function getAllOptions(SimpleXMLElement $element) {
 
     // Search option group children.
     if (isset($element->optgroup)) {
-      $options = array_merge($options, $this->getAllOptions($element->optgroup));
+      foreach ($element->optgroup as $group) {
+        $options = array_merge($options, $this->getAllOptions($group));
+      }
     }
     return $options;
   }