protected function _setData()
{
self::$group->setData(self::$groupids[0], 'email', '[email protected]');
$group = self::$group->getData(self::$groupids[0]);
$this->assertEquals('[email protected]', $group['email']);
self::$group->setData(self::$groupids[0], array('email' => '[email protected]'));
$group = self::$group->getData(self::$groupids[0]);
$this->assertEquals('[email protected]', $group['email']);
}