Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/acehost1/public_html/eazzybooking.com/vendor/php-mqtt/client/tests/Feature/PublishSubscribeTest.php:19 Stack trace: #0 {main} thrown in /home/acehost1/public_html/eazzybooking.com/vendor/php-mqtt/client/tests/Feature/PublishSubscribeTest.php on line 19