Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\pvcUtils\vendor\friendsofphp\php-cs-fixer\tests\Fixtures\Integration\set\@PHPUnit60Migration-risky_whitespaces.test-out.php:12 Stack trace: #0 {main} thrown in I:\www\pvcUtils\vendor\friendsofphp\php-cs-fixer\tests\Fixtures\Integration\set\@PHPUnit60Migration-risky_whitespaces.test-out.php on line 12