[Console] Fixed QuestionHelper validation write error

<table>
<thead><tr>
<th>Q</th>
<th>A</th>
</tr></thead>
<tbody>
<tr>
<td>Bug fix?</td>
<td>yes</td>
</tr>
<tr>
<td>New feature?</td>
<td>no</td>
</tr>
<tr>
<td>BC breaks?</td>
<td>no</td>
</tr>
<tr>
<td>Deprecations?</td>
<td>no</td>
</tr>
<tr>
<td>Tests pass?</td>
<td>yes</td>
</tr>
<tr>
<td>Fixed tickets</td>
<td>None</td>
</tr>
<tr>
<td>License</td>
<td>MIT</td>
</tr>
<tr>
<td>Doc PR</td>
<td>None</td>
</tr>
</tbody>
</table>

<p>Function getHelperSet() don't exist.</p>

<p>Todo:</p>
<ul>
<li>add unit tests</li>
</ul>
$this->getHelperSet() function don't exist