Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\bacon\bacon-qr-code\test\Common\ErrorCorrectionLevelTest.php:10 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\bacon\bacon-qr-code\test\Common\ErrorCorrectionLevelTest.php on line 10