public function testGetFormNode()
{
$dom = new \DOMDocument();
$dom->loadHTML('<html><form><input type="submit" /></form></html>');
$form = new Form($dom->getElementsByTagName('input')->item(0));
$this->assertSame($dom->getElementsByTagName('form')->item(0), $form->getFormNode(), '->getFormNode() returns the form node associated with this form');
}