Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\brianium\paratest\test\fixtures\github\GH857\MultipleGroupsTest.php:11 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\brianium\paratest\test\fixtures\github\GH857\MultipleGroupsTest.php on line 11