public function testSerialize()
    {
        $form = $form = $this->get('form.factory')->createBuilder('form')->add('name', 'text')->add('description', 'textarea')->getForm();
        $form->bind(array('name' => 'Adrien', 'description' => 'THIS IS SPARTA'));
        $formNormalizer = new FormNormalizer();
        $normalizedForm = $formNormalizer->normalize($form);
        $this->assertSerializedXmlEquals('<form>
  <input type="text" value="Adrien" name="form[name]" required="required"/>
  <textarea name="form[description]" required="required"><![CDATA[THIS IS SPARTA]]></textarea>
</form>', $normalizedForm);
    }