public function testChinaOK()
{
$address = new Address();
$address = $address->withCountryCode('CN')->withAdministrativeArea('Beijing Shi')->withLocality('Xicheng Qu')->withPostalCode('123456')->withAddressLine1('Yitiao Lu')->withGivenName('John')->withFamilyName('Smith');
$this->validator->validate($address, $this->constraint);
$this->assertNoViolation();
}