Sets are not populated with sib-form

With this:

<sib-form
  bind-resources
  fields="test(name, description)"
></sib-form>

We have this:

<sib-form>
  <form>
    <sib-set-div name="form">
      <div data-content></div>
    </sib-set-div>
  </form>
  <div>
    <sib-form-label-text name="name"></sib-form-label-text>
    <sib-form-label-text name="description"></sib-form-label-text>
  </div>
</sib-form>

And we should have this:

<sib-form>
  <form>
    <sib-set-div name="form">
      <div data-content>
        <sib-form-label-text name="name"></sib-form-label-text>
        <sib-form-label-text name="description"></sib-form-label-text>      
      </div>
    </sib-set-div>
  </form>
</sib-form>