chromium/content/test/data/accessibility/html/select-in-canvas.html

<!--
@BLINK-ALLOW:focusable
TODO(crbug.com/40747300) Results are not identical to the <select> outside the <canvas>.
-->
<div id="control">
  <select><option>1<option>2</select>
</div>

<canvas id="canvas" width="300" height="300">
  <select><option>1<option>2</select>
</canvas>