LayoutTests/fast/rendering/missing-selection-with-sibling-table-expected.html

<style>
.sibling {
  float: left;
  margin-top: 1px;
}
</style>
<div id=container>
  <div class=sibling>PASS</div>
  <div>if this is all selected.</div>
</div>
<script>
let range = new Range();
range.setStart(container.firstChild, 0);
range.setEnd(container.lastChild, 0);
window.getSelection().addRange(range);
</script>