Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/chrilantech/public_html/pos/vendor/symfony/service-contracts/Test/ServiceLocatorTest.php:18 Stack trace: #0 {main} thrown in /home/chrilantech/public_html/pos/vendor/symfony/service-contracts/Test/ServiceLocatorTest.php on line 18