Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/ashk_automation/ashk_integration/vendor/league/oauth2-client/test/src/OptionProvider/HttpBasicAuthOptionProviderTest.php:13 Stack trace: #0 {main} thrown in /var/www/html/ashk_automation/ashk_integration/vendor/league/oauth2-client/test/src/OptionProvider/HttpBasicAuthOptionProviderTest.php on line 13