chromium/third_party/blink/web_tests/printing/body-height-quirk-single-page.html

<!-- quirks mode -->
<script>
  if (window.testRunner)
    testRunner.setPrinting();
</script>
<style>
  body {
    margin: 0;
    border: solid hotpink;
  }
</style>
There should be a border around the entire page area, not just around this piece
of text.