Fatal error: Uncaught Error: Class "Hamcrest\AbstractMatcherTest" not found in /home/custom/public_html/katiekarr/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Core/IsCollectionContainingTest.php:4 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Core/IsCollectionContainingTest.php on line 4