diff --git a/js/test/beautify-tests.js b/js/test/beautify-tests.js
index 7896880a9..ca4ee756f 100755
--- a/js/test/beautify-tests.js
+++ b/js/test/beautify-tests.js
@@ -1719,6 +1719,26 @@ function run_beautifier_tests(test_obj, Urlencoded, js_beautify, html_beautify,
'');
+ bth('',
+ '');
+ bth('',
+ '');
+ bth('',
+ '');
+ bth('',
+ '');
+ bth('',
+ '');
bth('',
'