Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/autocar/vendor/symfony/framework-bundle/Tests/Console/Descriptor/AbstractDescriptorTest.php:26 Stack trace: #0 {main} thrown in /var/www/html/autocar/vendor/symfony/framework-bundle/Tests/Console/Descriptor/AbstractDescriptorTest.php on line 26