public function testSerializationDeserialization()
{
$obj = new PotentialPayerInfo(self::getJson());
$this->assertNotNull($obj);
$this->assertNotNull($obj->getEmail());
$this->assertNotNull($obj->getExternalRememberMeId());
$this->assertNotNull($obj->getAccountNumber());
$this->assertNotNull($obj->getBillingAddress());
$this->assertEquals(self::getJson(), $obj->toJson());
return $obj;
}