Fatal error: Uncaught Error: Interface 'PHPUnit\Framework\MockObject\Stub\MatcherCollection' not found in /home/itiffy/public_html/vendor/phpunit/phpunit-mock-objects/src/InvocationMocker.php:26 Stack trace: #0 {main} thrown in /home/itiffy/public_html/vendor/phpunit/phpunit-mock-objects/src/InvocationMocker.php on line 26