Uncomment all relevant Rails 6.1 configurations
Uncomment all relevant Rails 6.1 configurations

Uncomment these and run the tests to see them pass.
The ones that have been left commented out are not relevant to
this repo, e.g. we don't use Active Storage or Active Record.

alphagov/finder-frontend,alphagov/finder-frontend,alphagov/finder-frontend,alphagov/finder-frontend