Fatal error: Could not check compatibility between PHPUnit\TextUI\Configuration\TestDirectoryCollection::getIterator(): PHPUnit\TextUI\Configuration\TestDirectoryCollectionIterator and IteratorAggregate::getIterator(): Traversable, because class PHPUnit\TextUI\Configuration\TestDirectoryCollectionIterator is not available in /home/aplikasiposinfo/public_html/iwanteknik.fixmate.id/vendor/phpunit/phpunit/src/TextUI/Configuration/Value/TestDirectoryCollection.php on line 56