Improve test suite to work without warnings in recent versions of mojo

Change-Id: I8990a78ba00e835b2a569ea3aecebb1f18cb4bba
diff --git a/t/script.t b/t/script.t
index 57e055e..e5402dc 100644
--- a/t/script.t
+++ b/t/script.t
@@ -116,7 +116,7 @@
     ->attr_is('#s38','l','2')
     ->attr_is('#s38 > fs','type','struct')
     ->text_is('#s38 > fs > f[name=name]','back')
-    ->element_count_is('', 196);
+    ->element_count_is('*', 196);
 
   $t->file_exists_not('GOE/AGA/00000/base/tokens.xml', 'External not generated');