diff --git a/tests/webform_localization.test b/tests/webform_localization.test
index e3a4afb..d8b0586 100644
--- a/tests/webform_localization.test
+++ b/tests/webform_localization.test
@@ -8,6 +8,7 @@ class WebformLocalizationWebTestCase extends DrupalWebTestCase {
 
   // Webform test class instance.
   public $wtc;
+  public $_webform_node;
   // Users.
   public $adminuser;
   public $translator;