Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\php_lang_tests\vendor\squizlabs\php_codesniffer\tests\Standards\AbstractSniffTestCase.php:27 Stack trace: #0 {main} thrown in I:\www\php_lang_tests\vendor\squizlabs\php_codesniffer\tests\Standards\AbstractSniffTestCase.php on line 27