$arguments */ public static function in($arguments): void { if (!array_key_exists(self::CONFIGURATION_KEY, $arguments) || !file_exists($arguments[self::CONFIGURATION_KEY])) { throw new FileOrFolderNotFound('phpunit.xml'); } $configuration = Registry::getInstance() ->get($arguments[self::CONFIGURATION_KEY]) ->phpunit(); if ($configuration->processIsolation()) { throw new AttributeNotSupportedYet('processIsolation', 'true'); } } }