<polymer-element name="test6" attributes="source">
  <template>
    <p hidden?="{{ hidden }}">hidden</p>
    <img src="{{ source }}" />
  </template>
</polymer-element>

<polymer-element name="test6" attributes="source">
  <template>
    <p hidden?="{{ hidden }}">hidden</p>
    <img src="{{ source }}">
  </template>
</polymer-element>

Remove unneeded closing "/" from integration test
Remove unneeded closing "/" from integration test
