I can't simulate credit card failures via rejection trigger. What is the right flow?

[BoGra4]

Hi guys I am trying to simulate card errors in the sandbox. But can't understand how I can trigger it...
Steps:
1) Go to the dev.pay pay 
2) Create some personal ACC in the sandbox
3) Going to the https://www.sandbox.paypal.com/ and log in with this acc
4) Make a Visa card as a prefer and change the address to the CCREJECT-BANK_ERROR trigger

5) Go to the Sandbox payment and haven't any payment rejection

I also tried to change the name, but the payment either goes through completely or gives an error without even reaching the payment...

Sorry, I spent a lot of time on this and still can't figure out what I'm doing wrong... Could you tell me?

[uandme77]

I have the same issue. Were you able to figure this out?