Fatal error: Uncaught Error: Class 'Google\Cloud\Core\Testing\System\SystemTestCase' not found in /home/app/htdocs/lidia/vendor/google/cloud/tests/system/Storage/StorageTestCase.php:30
Stack trace:
#0 {main}
thrown in /home/app/htdocs/lidia/vendor/google/cloud/tests/system/Storage/StorageTestCase.php on line 30