Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\frameworks\Laravel\vendor\phpunit\php-token-stream\tests\Token\InterfaceTest.php:13 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\phpunit\php-token-stream\tests\Token\InterfaceTest.php on line 13