Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/globalhost/xco.1globalhost.com/tests/Feature/Invoices/InvoicePaymentProcessingTest.php:13 Stack trace: #0 {main} thrown in /home/globalhost/xco.1globalhost.com/tests/Feature/Invoices/InvoicePaymentProcessingTest.php on line 13