Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway/vendor/phpunit/php-timer/tests/TimerTest.php:13
Stack trace:
#0 {main}
thrown in /home/app/htdocs/message_gateway/vendor/phpunit/php-timer/tests/TimerTest.php on line 13