public function testGetters($obj)
{
$this->assertEquals($obj->getPaymentCardId(), "TestSample");
$this->assertEquals($obj->getExternalCustomerId(), "TestSample");
$this->assertEquals($obj->getLast4(), "TestSample");
$this->assertEquals($obj->getType(), "TestSample");
$this->assertEquals($obj->getExpireMonth(), 123);
$this->assertEquals($obj->getExpireYear(), 123);
}