Fatal error: Uncaught Error: Class 'behat_generator_base' not found in /home/aefn/public_html/moodle/payment/tests/generator/behat_core_payment_generator.php:35 Stack trace: #0 {main} thrown in /home/aefn/public_html/moodle/payment/tests/generator/behat_core_payment_generator.php on line 35