Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/appilogicx/public_html/api_demo/php-jwt-master/vendor/symfony/yaml/Tests/InlineTest.php:19 Stack trace: #0 {main} thrown in /home/appilogicx/public_html/api_demo/php-jwt-master/vendor/symfony/yaml/Tests/InlineTest.php on line 19