Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\phar-io\manifest\tests\xml\ExtElementTest.php:15
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\phar-io\manifest\tests\xml\ExtElementTest.php on line 15