Fatal error: Uncaught Error: Class 'Hamcrest\AbstractMatcherTest' not found in /var/www/html/test-project/my-app/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Array/IsArrayContainingKeyValuePairTest.php:6 Stack trace: #0 {main} thrown in /var/www/html/test-project/my-app/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Array/IsArrayContainingKeyValuePairTest.php on line 6