Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\fiveplus\vendor\tymon\jwt-auth\tests\Commands\JWTGenerateCommandTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fiveplus\vendor\tymon\jwt-auth\tests\Commands\JWTGenerateCommandTest.php on line 20