Fatal error: Uncaught Error: Class "Ramsey\Collection\Test\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\ramsey\collection\tests\Map\AssociativeArrayMapTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\ramsey\collection\tests\Map\AssociativeArrayMapTest.php on line 20