public function testRenderCorrectRootNodes()
{
$feed = $this->manager->get('article');
$feed->add(new FakeItemInterfaceEntity());
$output = $feed->render('atom');
$this->assertContains('<feed xmlns="http://www.w3.org/2005/Atom">', $output);
$this->assertContains('<link href="http://github.com/eko/FeedBundle" rel="self" type="application/rss+xml"/>', $output);
}