Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/diligence/public_html/kusum/vendor/php-mqtt/client/tests/Unit/MessageProcessors/Mqtt31MessageProcessorTest.php:13
Stack trace:
#0 {main}
thrown in /home/diligence/public_html/kusum/vendor/php-mqtt/client/tests/Unit/MessageProcessors/Mqtt31MessageProcessorTest.php on line 13