Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\xampp\htdocs\dropifypro\vendor\hamcrest\hamcrest-php\tests\Hamcrest\MatcherAssertTest.php:6 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\hamcrest\hamcrest-php\tests\Hamcrest\MatcherAssertTest.php on line 6