diff --git a/testing/web-platform/tests/css/css-fonts/parsing/font-variant-east-asian-invalid.html b/testing/web-platform/tests/css/css-fonts/parsing/font-variant-east-asian-invalid.html
index 30dbe403b8db6..c61a4b9b139f6 100644
--- a/testing/web-platform/tests/css/css-fonts/parsing/font-variant-east-asian-invalid.html
+++ b/testing/web-platform/tests/css/css-fonts/parsing/font-variant-east-asian-invalid.html
@@ -16,6 +16,14 @@
 test_invalid_value('font-variant-east-asian', 'jis78 jis83');
 
 test_invalid_value('font-variant-east-asian', 'full-width proportional-width');
+
+test_invalid_value('font-variant-east-asian', 'normal garbage');
+test_invalid_value('font-variant-east-asian', 'normal none');
+test_invalid_value('font-variant-east-asian', 'normal 30px');
+
+test_invalid_value('font-variant-east-asian', 'full-width garbage');
+test_invalid_value('font-variant-east-asian', 'full-width none');
+test_invalid_value('font-variant-east-asian', 'full-width 30px');
 </script>
 </body>
 </html>