Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\laravel-api-old\vendor\namshi\jose\tests\Namshi\JOSE\Test\JWSTest.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-api-old\vendor\namshi\jose\tests\Namshi\JOSE\Test\JWSTest.php on line 12