Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/lidia/vendor/google/cloud/tests/unit/Core/Batch/BatchTraitTest.php:31 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/google/cloud/tests/unit/Core/Batch/BatchTraitTest.php on line 31