Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/itscm/dev.its.cm/webserivesits/vendor/nelmio/api-doc-bundle/Tests/DependencyInjection/ConfigurationTest.php:18 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/nelmio/api-doc-bundle/Tests/DependencyInjection/ConfigurationTest.php on line 18