Fatal error: Uncaught Error: Class "Hamcrest\AbstractMatcherTest" not found in T:\Xampp\htdocs\notice\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsTraversableWithSizeTest.php:4 Stack trace: #0 {main} thrown in T:\Xampp\htdocs\notice\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsTraversableWithSizeTest.php on line 4