4">Item C</button>
  <div style="order: 5" class="wrapper">
    <button style="order: 2" id="d41">Item D1</button>
    <button style="order: 1" id="d42">Item D2</button>
    <button style="order: 3" id="d43">Item D3</button>
  </div>
</span>
<br>

<span id="host5" class="test-case" data-expect="b51,a51,c51,b52,a52,c52"
      data-description="Slot is not inside a shadow host.">
  <div class="wrapper">
    <slot name=slot1>
      <button style="order: 2" id="a51">Item A</button>
      <button style="order: 1