Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\print-bk\vendor\fzaninotto\faker\test\Faker\Provider\PhoneNumberTest.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print-bk\vendor\fzaninotto\faker\test\Faker\Provider\PhoneNumberTest.php on line 10