Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /data/vhosts/clone.1rupeematrimony.com/httpdocs/addon/Composer/vendor/minishlink/web-push/tests/VAPIDTest.php:15 Stack trace: #0 {main} thrown in /data/vhosts/clone.1rupeematrimony.com/httpdocs/addon/Composer/vendor/minishlink/web-push/tests/VAPIDTest.php on line 15