Fatal error: Uncaught Error: Class "behat_generator_base" not found in C:\xampp\htdocs\laberit01\html\moodle\payment\tests\generator\behat_core_payment_generator.php:35 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\payment\tests\generator\behat_core_payment_generator.php on line 35