diff --git a/ext/index/test.php b/ext/index/test.php
index b7a2ce18..152d8eb7 100644
--- a/ext/index/test.php
+++ b/ext/index/test.php
@@ -197,7 +197,11 @@ class IndexTest extends ShimmiePHPUnitTestCase
     {
         send_event(new UserLoginEvent(User::by_name(self::$user_name)));
         send_event(new PageNavBuildingEvent());
-        send_event(new PageSubNavBuildingEvent("parent"));
+        // just a few common parents
+        foreach(["help", "posts", "system", "user"] as $parent) {
+            send_event(new PageSubNavBuildingEvent($parent));
+
+        }
         $this->assertTrue(true);
     }
 }