Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/usonboard.com/grpc/third_party/protobuf/php/tests/test_base.php:7 Stack trace: #0 /var/www/usonboard.com/grpc/third_party/protobuf/php/tests/ArrayTest.php(3): require_once() #1 {main} thrown in /var/www/usonboard.com/grpc/third_party/protobuf/php/tests/test_base.php on line 7