container start">
  <span>FILLER FILLER</span>
  <span id="start" class="inline">INLINE INLINE INLINE INLINE</span>
  <p>START STATE</p>
</div>

<!--
This subtree will be held at the animation end to test the old content's
ending position.
-->
<div class="container end">
  <span>FILLER FILLER</span>
  <span id="end" class="inline">INLINE INLINE INLINE INLINE</span>
  <p>END STATE</p>
</div>

<script>
if (typeof failIfNot != 'undefined')
  failIfNot(document.startViewTransition, "Missing document.startViewTr