Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/wittyly/public_html/live/wittymanager-api/vendor/phar-io/version/tests/Unit/SpecificMajorAndMinorVersionConstraintTest.php:18 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/wittymanager-api/vendor/phar-io/version/tests/Unit/SpecificMajorAndMinorVersionConstraintTest.php on line 18