Fatal error: Uncaught Error: Class "ApiTestCase" not found in /var/www/html/extensions/Echo/tests/phpunit/Api/Push/ApiEchoPushSubscriptionsCreateTest.php:13 Stack trace: #0 {main} thrown in /var/www/html/extensions/Echo/tests/phpunit/Api/Push/ApiEchoPushSubscriptionsCreateTest.php on line 13