Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\league\commonmark\tests\functional\AbstractSpecTestCase.php:23
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\league\commonmark\tests\functional\AbstractSpecTestCase.php on line 23