/**
* @test
*/
public function renderCallsSetErrorClassAttribute()
{
$this->viewHelper->expects($this->once())->method('setErrorClassAttribute');
$this->viewHelper->render();
}
/**
* Renders the checkbox.
*
* @return string
* @api
*/
public function render()
{
$this->arguments['multiple'] = (bool) $this->arguments['multiple'];
return parent::render();
}