Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/lidia/vendor/symfony/class-loader/Tests/ClassCollectionLoaderTest.php:27 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/symfony/class-loader/Tests/ClassCollectionLoaderTest.php on line 27