chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-fieldset-element/accessibility/flexbox-manual.html

<!doctype html>
<title>fieldset accessibility test: flexbox</title>
<link rel=help href=https://w3c.github.io/html-aam/#fieldset-element-accessible-name-computation>
<style>
 fieldset { display: flex; }
 legend { float: left; flex: auto; }
 input { display: block; flex: auto; }
</style>
<fieldset id=fieldset>
 <legend>Foo</legend>
 <input>
</fieldset>
<p>Expected accessible name for id=fieldset: "Foo"