public function testPassport()
{
$this->assertTrue(UaValidation::passport('КС845696'));
$this->assertTrue(UaValidation::passport('МН655933'));
$this->assertFalse(UaValidation::passport('МН 569933'));
$this->assertFalse(UaValidation::passport('МН-569933'));
$this->assertFalse(UaValidation::passport('кс569933'));
}