Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/web/yii/basic/vendor/theseer/tokenizer/tests/TokenizerTest.php:9 Stack trace: #0 {main} thrown in /var/www/html/web/yii/basic/vendor/theseer/tokenizer/tests/TokenizerTest.php on line 9