Fatal error: Uncaught Error: Class 'Hamcrest\AbstractMatcherTest' not found in C:\webserver\data\htdocs\api\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsEmptyTraversableTest.php:6 Stack trace: #0 {main} thrown in C:\webserver\data\htdocs\api\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsEmptyTraversableTest.php on line 6