chromium/third_party/blink/web_tests/svg/hixie/error/014-test.xml

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="test">
  <rect x="0" y="0" height="200" width="200" fill="green"/>
 </g>
</svg>