Compile, test runner and test editing entries.
Manually add alias(and no hex value) to ~/.config/krunnerrc and reload the kcm, error message should be shown.
Before:
https://phabricator.kde.org/F8075415
https://phabricator.kde.org/F8075416
After:
https://phabricator.kde.org/F8075419
https://phabricator.kde.org/F8075420
https://phabricator.kde.org/F8075422