public function testUnset()
{
// like object
$data = new Data($this->_test);
is('qwerty', $data->get('string'));
unset($data->string);
isFalse($data->has('string'));
// like array
$data = new Data($this->_test);
is('qwerty', $data['string']);
unset($data['string']);
isFalse($data->has('string'));
}