chromium/third_party/blink/web_tests/fast/forms/search/search-appearance-vertical-lr.html

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<html>
<style>
input {
    writing-mode: vertical-lr;
}
</style>
<body>
<input id="in" type="search" value="foo" dir="ltr">

<script>
var input = document.getElementById('in');
// A cancel button should be showing on the bottom (right)
input.focus();
</script>
</body>
</html>