public function testConstructor()
{
$this->assertEquals('TestMerchantId', $this->configuration->getMerchantId());
$this->assertEquals('TestSecretKey', $this->configuration->getSecretKey());
$this->assertEquals('TestPaymentEndpointUrl', $this->configuration->getPaymentEndpointUrl());
$this->assertEquals('TestLoyaltyInquiryEndPointUrl', $this->configuration->getLoyaltyInquiryEndPointUrl());
}