Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/esecureh/public_html/magdemo/vendor/web-token/jwt-framework/tests/SignatureAlgorithm/Experimental/ExperimentalHMACSignatureTest.php:27 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/web-token/jwt-framework/tests/SignatureAlgorithm/Experimental/ExperimentalHMACSignatureTest.php on line 27