Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\projet-GMAO\vendor\tattali\calendar-bundle\tests\Entity\EventTest.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\projet-GMAO\vendor\tattali\calendar-bundle\tests\Entity\EventTest.php on line 10