Fixes #23875 - removed old session tests

Fixes #23075 - Fix Rails/HttpStatus cop

Fixes #21098 - Use positional args in functional test requests

Fixes #21424 - use factory_bot_rails

Fixes #20951 - Replace render :text with :plain

Fixes #13772 - orchestration now uses app logger

Fixes #18948 - correctly relogin user with SSO sessions

Fixes #16982 - Scope properly when no taxonomies are set

The default scope for hosts and other objects did not restrict
properly by taxonomies. An user without organizations or
locations, could do anything it's permissions allow to.
The list of hosts was unrestricted and showed hosts in...

Fixes #17864 - Show smart proxy errors on unattended fail

If your proxy is has some error (like misconfigured sudoers, puppet not
available, etc...) and you try to boot a host through unattended
mode [1], the exception will not show up when you try to fetch the...

fixes #16514 - redirect to login page if user is deleted

fixes #16635 - welcome page works with scoped models

fixes #16557 - move tests into modern Rails layout

Models, controllers, mailers and helpers are now in test/ subdirs
matching app/ subdirs. Service, miscellaneous and old test/lib/ tests
are now in test/unit/ separated from models, which obsoletes the custom...