/**
* test the ssn method of NlValidation
*
* @return void
*/
public function testSsn()
{
$this->assertTrue(NlValidation::personId('187821321'));
$this->assertTrue(NlValidation::personId('502222314'));
$this->assertFalse(NlValidation::personId('18782132'));
$this->assertFalse(NlValidation::personId('50222FZ'));
}