Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\PHP\APPS\production\aictec_license_web\vendor\lcobucci\jwt\test\unit\SignatureTest.php:14 Stack trace: #0 {main} thrown in C:\PHP\APPS\production\aictec_license_web\vendor\lcobucci\jwt\test\unit\SignatureTest.php on line 14