Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\sites\wasalnah.sabti-h.com\vendor\fidry\cpu-core-counter\tests\Finder\SkipOnOSFamilyFinderTest.php:28 Stack trace: #0 {main} thrown in C:\sites\wasalnah.sabti-h.com\vendor\fidry\cpu-core-counter\tests\Finder\SkipOnOSFamilyFinderTest.php on line 28