input-appearance-autofill-ignoring-first-line.html

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<style>
/* This line should have no effect when in suggested mode */
input::first-line { color: red; }
</style>
<input id="input" value="">
<script>
internals.setSuggestedValue(input, 'hello');
</script>

chromium/third_party/blink/web_tests/fast/forms/text/input-appearance-autofill-ignoring-first-line.html