diff --git a/tests/wpt/metadata-layout-2020/css/cssom/serialize-media-rule.html.ini b/tests/wpt/metadata-layout-2020/css/cssom/serialize-media-rule.html.ini
index 1715f79ed09..08e129d0361 100644
--- a/tests/wpt/metadata-layout-2020/css/cssom/serialize-media-rule.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/cssom/serialize-media-rule.html.ini
@@ -5,6 +5,9 @@
   [features - lexicographical sorting]
     expected: FAIL
 
+  [one rule]
+    expected: FAIL
+
   [type - omission of all]
     expected: FAIL
 
@@ -14,6 +17,8 @@
   [type - inclusion of negated all]
     expected: FAIL
 
-  [features - no lexicographical sorting]
+  [many rules]
     expected: FAIL
 
+  [features - no lexicographical sorting]
+    expected: FAIL