Warning: include(vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/push-notification-service-v2/vendor/google/crc32/tests/BuiltinTest.php on line 18

Warning: include(): Failed opening 'vendor/autoload.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/push-notification-service-v2/vendor/google/crc32/tests/BuiltinTest.php on line 18

Fatal error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/push-notification-service-v2/vendor/google/crc32/tests/BuiltinTest.php on line 26