LayoutTests/fast/text/mark-matches-rendering-simple-lines-expected.html

<script>
if (window.internals)
    internals.settings.setSimpleLineLayoutEnabled(false);
</script>
<p>
Quo usque tandem abutere, Catilina, patientia nostra?
</p>
<script>
if (window.internals) {
    internals.setMarkedTextMatchesAreHighlighted(true);
    internals.countMatchesForText("ti", [], "mark");
}
</script>