discourse/app/assets/javascripts/admin/templates/email-advanced-test.hbs

<p>{{i18n 'admin.email.advanced_test.desc'}}</p>

<div class='email-advanced-test'>
  <label for="email">{{i18n 'admin.email.advanced_test.email'}}</label>
  {{textarea name="email" value=email class="email-body"}}
  <button class='btn' {{action "run"}}>{{i18n 'admin.email.advanced_test.run'}}</button>
</div>

{{#conditional-loading-spinner condition=loading}}

{{#if format}}
  <hr/>
  <div class="text">
    <h3>{{i18n 'admin.email.advanced_test.text'}}</h3>
    <pre class="full-reason">{{{text}}}</pre>
  </div>

  <hr/>
  <div class="elided">
    <h3>{{i18n 'admin.email.advanced_test.elided'}}</h3>
    <pre class="full-reason">{{{elided}}}</pre>
  </div>
{{/if}}

{{/conditional-loading-spinner}}