Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/crmcodingobjects/public_html/modules/MailClient/Tests/Feature/EmailAccountControllerTest.php:20 Stack trace: #0 {main} thrown in /home/crmcodingobjects/public_html/modules/MailClient/Tests/Feature/EmailAccountControllerTest.php on line 20