Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/steevedfem/ekolaweb/ext/ai-swiftmailer/lib/custom/tests/MW/Mail/SwiftTest.php:10 Stack trace: #0 {main} thrown in /home/steevedfem/ekolaweb/ext/ai-swiftmailer/lib/custom/tests/MW/Mail/SwiftTest.php on line 10