protected function _listAll()
{
$groups = self::$group->listAll();
$this->assertEquals(3, count($groups));
$this->assertEquals('My Group', $groups[self::$groupids[0]]);
$this->assertEquals('My Other Group', $groups[self::$groupids[1]]);
$this->assertEquals('Not My Group', $groups[self::$groupids[2]]);
}