Testing klarna checkout
https://checkout.testdrive.klarna.com/checkout/orders
with the credentials provided by klarna
Email address: checkout-no@testdrive.klarna.com
Postal code: 0563
Personal identity number: 01087000571
First name: Testperson-no
Last name: Approved
Address: Sæffleberggate 56
City: Oslo
Phone Number: 40 123 456
but it is only for Norway, when someone want to test it from other country it gives error (like on zip code), as it checks against IP. Check the error here: http://tinypic.com/r/r05h0o/9