Card Number: 4242 4242 4242 4242
CVV: 123
Expiry: {any date in future}
No authentication (default U.S. card): 4242 4242 4242 4242
Authentication required: 4000 0027 6000 3184
No authentication (default U.S. card): 4242 4242 4242 4242.
Authentication required: 4000 0027 6000 3184.