Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /mnt/HC_Volume_103237921/teksolution/app.teksolution.dev/vendor/symfony/service-contracts/Test/ServiceLocatorTest.php:18 Stack trace: #0 {main} thrown in /mnt/HC_Volume_103237921/teksolution/app.teksolution.dev/vendor/symfony/service-contracts/Test/ServiceLocatorTest.php on line 18