public function testResultContainsObjectStateGroupListAttributes($result)
{
$this->assertXMLTag(array('tag' => 'ObjectStateGroupList', 'attributes' => array('media-type' => 'application/vnd.ez.api.ObjectStateGroupList+xml', 'href' => '/content/objectstategroups')), $result, 'Invalid <ObjectStateGroupList> attributes.', false);
}