Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/petclap/public_html/meenapp/vendor/phpunit/php-timer/tests/TimerTest.php:17 Stack trace: #0 {main} thrown in /home/petclap/public_html/meenapp/vendor/phpunit/php-timer/tests/TimerTest.php on line 17