chromium/src/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-172b.xml

<?xml-stylesheet href="css3-modsel-172b.css" type="text/css"?>
<test>
  <tests xmlns="http://css.example.net/" xmlns:test="http://css.example.net/">
   <testA test:attribute="fail">This should be green.</testA>
   <testB test:attribute="fail">This should be green.</testB>
   <testC test:attribute="fail">This should be green.</testC>
   <testD test:attribute="fail">This should be green.</testD>
   <testE test:attribute="fail">This should be green.</testE>
   <testF test:attribute="fail">This should be green.</testF>
   <testG test:attribute="fail">This should be green.</testG>
  </tests>
</test>