chromium/src/third_party/blink/web_tests/fast/forms/text/input-appearance-autocomplete-with-initial-value.html

<input id="input" >
<script>
// TODO(crbug.com/794966): SetFocus once the caret issue is resolved.
input.value = "initial value";
internals.setSuggestedValue(input, 'hello');
internals.setAutofilled(input, true);
input.style.width = '99px';
</script>