title: Submit 1 button between 2 button that has the same name and class using casperjs
body: <p>I have the html code as below:</p>
  
  <pre><code>&lt;div class="formengine-steps"&gt;
      &lt;input class="formengine-submit" type="submit" value="Etape précédente" name="action"&gt;
      &lt;input class="formengine-submit" type="submit" value="Etape suivante" name="action"&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>I'm trying with Casperjs:</p>
  
  <pre><code> this.thenClick('input.formengine-submit');
  </code></pre>
  
  <p>Problem: It does not work, because both of the buttons have the same class name. I don have the solution for this. Does anyone have the solution for this?</p>