chromium/third_party/blink/web_tests/wpt_internal/css/css-ui/focus-outline-clip.html

<!DOCTYPE html>
<html>
<title>Tests that a paint clip, clips a focus outline.</title>
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<link rel="help" href="https://crbug.com/1049976">
<p>Test passes if there is a filled green square.</p>
<div style="overflow: hidden; width: 100px; height: 100px; background: green;">
  <a style="display: block; width: 110px; height: 110px; margin: -5px; outline: auto;" href="https://www.example.com/" id="target"></a>
</div>