Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\pvcParser\vendor\squizlabs\php_codesniffer\tests\Core\AbstractWriterTestCase.php:14 Stack trace: #0 {main} thrown in I:\www\pvcParser\vendor\squizlabs\php_codesniffer\tests\Core\AbstractWriterTestCase.php on line 14