Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\erp_api\vendor\symfony\filesystem\Symfony\Component\Filesystem\Tests\FilesystemTestCase.php:14 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\filesystem\Symfony\Component\Filesystem\Tests\FilesystemTestCase.php on line 14