<fixture-test>
  <template shadowrootmode="open">
    <div class="active-if-blocks">
      <x-element-child>
        <template shadowrootmode="open">
          <div class="div-false">
          </div>
          <div class="div-true">
          </div>
        </template>
      </x-element-child>
    </div>
    <div class="inactive-if-blocks">
      <x-element-child>
        <template shadowrootmode="open">
        </template>
      </x-element-child>
    </div>
  </template>
</fixture-test>