As QA Engineer, I am using paypal Sandbox to test paypal gateway on the Salesforce community platform. Currently, I stumbled into difficulties performing negative testing to receive false status of the transaction. Whatever I do, PayPal sandbox accepts the transaction as a positive one and only approved status is returned. I also enable negative testing setting on the Business account as it was described on paypal 'Negative Test error conditions' documentation, but nothing has changed.
Is there some way to test negative transactions using Sandbox?
Link to the 'Negative Test error conditions' documentation: https://developer.paypal.com/docs/api-basics/sandbox/error-conditions/
