Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/www/farandole/vendor/composer/installers/tests/Composer/Installers/Test/TestCase.php:21 Stack trace: #0 {main} thrown in /home/www/farandole/vendor/composer/installers/tests/Composer/Installers/Test/TestCase.php on line 21