question

Currently testing the test cards indicated on https://docs.clover.com/docs/test-card-numbers and so far found the following issues:

1. AmEx test cards account number for AVS testing (Amex - 375186917371340) proceeds with payment even when a 3-digit CVV is used. AmEx cards use a 4-digit CVV.
   
   
2. Both Diners Club account numbers under "Simulate successful transactions" proceed with payments even when a 4-digit CVV is used. Diners Club cards use a 3-digit CVV.
   Diners Club - 3056 93090 25904
   Diners Club - 3852 00000 23237
   
   
3. Mastercard for AVS testing (Mastercard - 5204245250003294) works with either a Canada or US zip code.
   
   
4. Mastercard for AVS testing (Mastercard - 5204245250003294) proceeds with payment even when a 4-digit CVV is used. Mastercards use a 3-digit CVV.
   
   
5. Mastercard for AVS testing (Mastercard - 5204245250003294) proceeds with payment even when an expiration date of 01/23 is used.
   
   
6. The Discover account number under "Simulate successful transactions" (Discover - 6011 0009 9013 9424) gets an error. See error below:
   
   

   Server response: Client error: `POST https://scl-sandbox.dev.clover.com/v1/charges` resulted in a `402 Payment Required` response: {"message":"402 Payment Required","error":{"code":"card_declined","message":"Postal code does not match","charge":"ZZ91Y (truncated...)

7. The Discover account number in the topmost table of Clover's Test Card Numbers page (Discover - 6011 3610 0000 6668) proceeds with payment even when a 4-digit CVV is used. Discover accounts use a 3-digit CVV.
   
   
8. Discover test card for AVS testing (Discover - 6011000050617475) proceeds with payment with either a Canada or US zip code. (it should declined when using a US postcode since I'm using a canada account)
   
   
9. The JCB account number under "Simulate successful transactions" (JCB - 3566 0020 2036 0505) proceeds with payment even when a 4-digit CVV is used. JCB accounts use a 3-digit CVV.
   
   
10. The Visa account number under "Simulate successful transactions" (Visa - 4242 4242 4242 4242) proceeds with payment even when an expiration date of 01/23 is used.
    
    
11. The Visa account number under "Simulate successful transactions" (Visa - 4242 4242 4242 4242) proceeds with payment even when a 4-digit CVV is used. Visa accounts use a 3-digit CVV.
    
    
12. Visa for AVS testing (Visa 4761530001111126) proceeds with payment with either a Canada or US zip code. (it should declined when using a US postcode since I'm using a canada account)
    
    
13. The Visa (debit) account number under "Simulate successful transactions" (Visa(debit) - 4000 0566 5566 5556) proceeds with payment even when an expiration date of 01/23 is used.
    
    
14. The Visa (debit) account number under "Simulate successful transactions" (Visa(debit) - 4000 0566 5566 5556) proceeds with payment even when a 4-digit CVV is used. Visa (debit) accounts use a 3-digit CVV.