Fatal error: Uncaught Error: Class "Hamcrest\AbstractMatcherTest" not found in C:\xampp\htdocs\Locsy\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Core\IsTest.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Locsy\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Core\IsTest.php on line 4