Fatal error: Uncaught Error: Class 'Hamcrest\AbstractMatcherTest' not found in /home/wwvicp/public_html/API2/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Array/IsArrayContainingKeyTest.php:6 Stack trace: #0 {main} thrown in /home/wwvicp/public_html/API2/vendor/hamcrest/hamcrest-php/tests/Hamcrest/Array/IsArrayContainingKeyTest.php on line 6