Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/cedricziel/flysystem-gcs/tests/GoogleCloudStorageAdapterTest.php:11 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/cedricziel/flysystem-gcs/tests/GoogleCloudStorageAdapterTest.php on line 11