GcContent\Form\Document::init PHP Method

    public function init($url = null)
    {
        $this->setAttribute('enctype', 'multipart/form-data');
        $this->setAttribute('class', 'relative');
        $this->setAttribute('action', $url);
    }

 /**
  * Test
  *
  * @return void
  */
 public function testInit()
 {
     $this->assertNull($this->object->init());
 }