public function testResultContainsRoleAssignmentAttributes($result)
{
$this->assertXMLTag(array('tag' => 'RoleAssignment', 'attributes' => array('media-type' => 'application/vnd.ez.api.RoleAssignment+xml', 'href' => '/user/groups/1/5/14/roles/42')), $result, 'Invalid <RoleAssignment> attributes.', false);
}