Fatal error: Uncaught Error: Class 'sngrl\PhpFirebaseCloudMessaging\Tests\PhpFirebaseCloudMessagingTestCase' not found in /home/bottegapkw/www/assets/vendor/sngrl/php-firebase-cloud-messaging/tests/NotificationTest.php:6 Stack trace: #0 {main} thrown in /home/bottegapkw/www/assets/vendor/sngrl/php-firebase-cloud-messaging/tests/NotificationTest.php on line 6