chromium/third_party/blink/web_tests/fast/spatial-navigation/snav-zero-margin-content.html

<!DOCTYPE html>
<style>
body {
  background:none repeat scroll 0 0 #FFFFFF;
  color:black;
  margin:0;
}
body, a, {
  font-family:arial,sans-serif;
  margin-right:2.5em;
  font-size:13px;
  text-decoration:underline;
  color:#0000CC !important;
}
</style>
<span>
  <div>
    <nobr>
      <a href="#" id="start"> test1 </a>
      <a href="#" id="end"> test2 </a>
    </nobr>
  </div>
</span>
<p>
  This test ensures the traversal correctness of spatial navigation:<br>
  focusable elements accessible, including zero-margin content, should be accessible.<br>
</p>

<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="resources/snav-testharness.js"></script>
<script>
  var resultMap = [
    ["Right", "end"]
  ];

  // Start at a known place.
  document.getElementById("start").focus();
  snav.assertFocusMoves(resultMap);
</script>