diff --git a/Tests/dblayerooComplet.php b/Tests/dblayerooComplet.php
index 816a494..625de43 100644
--- a/Tests/dblayerooComplet.php
+++ b/Tests/dblayerooComplet.php
@@ -546,6 +546,7 @@ class test_dblayeroo_{ENGINE} extends PHPUnit_Framework_TestCase
     $res = $db1->select ()
                ->displayAdd ("group")
                ->joinLeft ($db2, array ("group"=>"group"))
+               ->orderAdd ("group", "ASC")
                ->execute ();
     $db1->disconnect ();
     $db2->disconnect ();