Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\print\vendor\lcobucci\jwt\test\unit\Claim\GreaterOrEqualsToTest.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print\vendor\lcobucci\jwt\test\unit\Claim\GreaterOrEqualsToTest.php on line 16