public function testResultContainsRootUserGroupTagAttributes($result)
{
$this->assertXMLTag(array('tag' => 'rootUserGroup', 'attributes' => array('media-type' => 'application/vnd.ez.api.UserGroup+xml', 'href' => '/api/ezp/v2/user/groups/1/5')), $result, 'Invalid <rootUserGroup> tag attributes.', false);
}