Fatal error: Uncaught Error: Class "Composer\Installers\Test\TestCase" not found in /home/steevedfem/ekolaweb/vendor/composer/installers/tests/Composer/Installers/Test/PiwikInstallerTest.php:14 Stack trace: #0 {main} thrown in /home/steevedfem/ekolaweb/vendor/composer/installers/tests/Composer/Installers/Test/PiwikInstallerTest.php on line 14