KlarnaKlarna for businessMerchant supportIntegrationIntegrating KlarnaIntegrating KlarnaIntegrating KlarnaHow can I test the Klarna integration? | How do I integrate Klarna? | Why am I sent back to the shopping cart when I try to complete the purchase in the checkout? | The Klarna integration is not working. What should I do?How can I test the Klarna integration?How do I integrate Klarna?Why am I sent back to the shopping cart when I try to complete the purchase in the checkout?The Klarna integration is not working. What should I do?