fix basetest

tests/phpunit/CRM/Stripe/BaseTest.php

@@ -431,7 +431,7 @@ abstract class CRM_Stripe_BaseTest extends CiviUnitTestCase implements HeadlessI
         ->setPaymentProcessorID($this->paymentProcessorID)
         ->setIntentID($params['paymentIntentID'] ?? NULL)
         ->setDescription(NULL)
-        ->setCsrfToken($firewall->generateCSRFToken())
+        ->setCsrfToken($this->generateCSRFToken())
         ->execute();
       // $result = civicrm_api3('StripePaymentintent', 'process', $paymentIntentParams);