- Patch #1589174 by sun, marcingy: Fixed Configuration upgrade path is broken.

core/includes/update.inc

core/lib/Drupal/Core/Config/FileStorage.php

core/modules/block/block.install

core/modules/config/config.test

core/modules/locale/locale.install

core/modules/node/node.install

core/modules/system/system.install

...ystem/tests/modules/config_upgrade/config/config.test.yml

...sts/modules/config_upgrade/config/config_upgrade.test.yml

core/modules/system/tests/upgrade/upgrade.test