Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home3/offerba1/public_html/platform/plugins/marketplace/tests/Unit/WithdrawalFeeCalculationTest.php:8 Stack trace: #0 {main} thrown in /home3/offerba1/public_html/platform/plugins/marketplace/tests/Unit/WithdrawalFeeCalculationTest.php on line 8