Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\nunomaduro\collision\tests\Unit\ArgumentFormatterTest.php:11 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\nunomaduro\collision\tests\Unit\ArgumentFormatterTest.php on line 11