Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/itscm/dev.its.cm/itsrestapi/vendor/symfony/swiftmailer-bundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php:24 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsrestapi/vendor/symfony/swiftmailer-bundle/Tests/DependencyInjection/SwiftmailerExtensionTest.php on line 24