Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /www/wwwroot/t_anzhen9_com/PHP-Parser/test/PhpParser/Node/Scalar/StringTest.php:5 Stack trace: #0 {main} thrown in /www/wwwroot/t_anzhen9_com/PHP-Parser/test/PhpParser/Node/Scalar/StringTest.php on line 5