Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rajthemystery/public_html/vendor/laravolt/avatar/tests/AvatarLaravelTest.php:3 Stack trace: #0 {main} thrown in /home/rajthemystery/public_html/vendor/laravolt/avatar/tests/AvatarLaravelTest.php on line 3