Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/Tests/Dumper/XmlDumperTest.php:22
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/Tests/Dumper/XmlDumperTest.php on line 22