Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/esecureh/public_html/magdemo/vendor/web-token/jwt-framework/tests/SignatureAlgorithm/Experimental/P256KSignatureTest.php:29 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/web-token/jwt-framework/tests/SignatureAlgorithm/Experimental/P256KSignatureTest.php on line 29