Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /www/wwwroot/xhtx.xianghao-power.com/vendor/symfony/translation/Test/ProviderFactoryTestCase.php:32 Stack trace: #0 {main} thrown in /www/wwwroot/xhtx.xianghao-power.com/vendor/symfony/translation/Test/ProviderFactoryTestCase.php on line 32