LayoutTests/fast/text/inline-box-with-underline-skip-none.html

<style>
div {
  font-family: Monospace;
  font-size: 20px;
  text-decoration: underline;
  text-decoration-skip-ink: auto;
}
span {
  text-decoration-skip-ink: none;
}
</style>
<!-- PASS if underline crosses the descender -->
<div style="text-decoration-skip-ink: none">XXyXX</div>
<div><span>XXyXX</span></div>
<div><span style="text-decoration-skip-ink: auto"><span>XXyXX</span></span></div>