Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in E:\xampp\htdocs\vendor\fzaninotto\faker\test\Faker\Provider\UuidTest.php:9 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\fzaninotto\faker\test\Faker\Provider\UuidTest.php on line 9