date-picker-appearance-highlight.html

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-1000">
<meta name="color-scheme" content="light dark">
<script src="../../../../resources/testdriver.js"></script>
<script src="../../../../resources/testdriver-vendor.js"></script>
<script src="../../resources/common.js"></script>
<script src="../../calendar-picker/resources/calendar-picker-common.js"></script>
<script src="../../resources/picker-common.js"></script>

<input type="date" value="2018-08-05">

<script>
  window.onload = openPickerAppearanceOnly(document.querySelector('input'),() => {
    hoverOverDayCellAt(2, 3);
  });
</script>

chromium/third_party/blink/web_tests/fast/forms/color-scheme/calendar-picker/date-picker-appearance-highlight.html