public function testFixtureItem()
 {
     $links = array(new Property\Link('http://example.org/friends/rss', 'feed'), new Property\Link('http://example.org/friends/?queries', 'queries'), new Property\Link('http://example.org/friends/?template', 'template'));
     $item = new Collection\Item('http://example.org/friends/jdoe');
     $item->addDataSet(array(new Property\Data('full-name', 'J. Doe', 'Full Name'), new Property\Data('email', '*****@*****.**', 'Email')));
     $item->addLinkSet(array(new Property\Link('http://examples.org/blogs/jdoe', 'blog', null, null, 'Blog'), new Property\Link('http://examples.org/images/jdoe', 'avatar', null, 'image', 'Avatar')));
     $collection = new Collection('http://example.org/friends/');
     $collection->addLinkSet($links)->addItem($item);
     $this->compareWithFixture($collection, 'item');
 }