Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\snipe-it\vendor\squizlabs\php_codesniffer\tests\Core\Util\Tokens\GetHighestWeightedTokenTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\squizlabs\php_codesniffer\tests\Core\Util\Tokens\GetHighestWeightedTokenTest.php on line 20