Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in D:\xampp\htdocs\psp\backend\vendor\namshi\jose\tests\Namshi\JOSE\Test\BCJWSTest.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\namshi\jose\tests\Namshi\JOSE\Test\BCJWSTest.php on line 13