Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/cmleadsco/whatsapp.cmleads.co.uk/tests/Unit/ExampleTest.php:7 Stack trace: #0 {main} thrown in /home/cmleadsco/whatsapp.cmleads.co.uk/tests/Unit/ExampleTest.php on line 7