Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/domains/sfct.org/docs/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/dusank/knapsack/tests/scenarios/GroupingFlightsTest.php:12 Stack trace: #0 {main} thrown in /home/domains/sfct.org/docs/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/dusank/knapsack/tests/scenarios/GroupingFlightsTest.php on line 12