Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/thepresence360/vendor/aacotroneo/laravel-saml2/tests/Saml2/Saml2AuthTest.php:10 Stack trace: #0 {main} thrown in /var/www/html/thepresence360/vendor/aacotroneo/laravel-saml2/tests/Saml2/Saml2AuthTest.php on line 10