Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/awsuser/subdomains/ai.betterquo.com/vendor/konekt/pdf-invoice/tests/AAASmokeTest.php:16 Stack trace: #0 {main} thrown in /home/awsuser/subdomains/ai.betterquo.com/vendor/konekt/pdf-invoice/tests/AAASmokeTest.php on line 16