Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/ninja/vendor/google/cloud/tests/unit/Spanner/Connection/GrpcTest.php:51 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/google/cloud/tests/unit/Spanner/Connection/GrpcTest.php on line 51