Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Application\www\E-Tracking\vendor\nikic\php-parser\test\PhpParser\Internal\DifferTest.php:7 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\nikic\php-parser\test\PhpParser\Internal\DifferTest.php on line 7