Sort features that {are, can be but not yet, can't be} covered by autotests

• applets
  • appmenu
    • menu proxy: !4423 (merged)
    • activate menu items
  • battery
    • remaining battery
    • device battery
    • power profile: !4427 (merged)
    • Inhibitition: !4470 (closed)
  • brightness & color
    • display brightness: !4452 (merged)
    • keyboard brightness: !4378 (merged)
    • keyboard color
    • night color: !4459 (merged)
  • calendar
  • cameraindicator: !4430 (merged)
  • clipboard
    • KeepClipboardContents
    • PreventEmptyClipboard
    • SyncClipboards
    • IgnoreSelection
    • SelectionTextOnly: !4448 (merged)
    • IgnoreImages: !4448 (merged)
    • URLGrabberEnabled
    • NoActionsForWM_CLASS
    • TimeoutForActionPopups
    • MaxClipItems
    • Actions
    • org.kde.klipper D-Bus interface
    • Edit mode: !4629 (merged)
  • devicenotifier
    • removable devices: need to mock the whole UDisks2 DBus interface
  • digital-clock
    • compact representation: !4733 (merged)
    • day/month/year
    • plugin
    • time zone list
  • icon
  • keyboardindicator
  • lock_logout: no mock backend
  • manage-inputmethod
  • mediacontroller
  • notification
    • summary and body
    • image: !4429 (merged)
    • action
  • systemmonitor: not usable in virtual env
  • systemtray
    • shownItems
    • hiddenItems
• appmenu
• components
  • batterycontrol
  • calendar
  • containmentlayoutmanager
  • dbus
  • keyboardlayout
  • lookandfeelqml: tested by systemdialogtest
  • WidgetExplorer
  • tranglemousefilter
  • sessionprivate: no mock backend
• containmentactions
• devicenotifications: mockudev seems unusable with asan
• freespacenotifier
• gmenu-dbusmenu-proxy: !4423 (merged)
• interactiveconsole
• kcms: bug-oriented as too many features to cover
• kioworkers: a test is currently disabled
• klipper
• krunner
• ksmserver: is session management testable?
• ksplash
• ktimezoned: is it still used?
• libcolorcorrect: what does it do?
• libdbusmenuqt
• libkmpris: thoroughly tested
• libkworkspace: d_ed doesn't like the idea of the mock backend, skipped
• libnotificationmanager: have a few autotests
• libtaskmanager
• logout-greeter
• lookandfeel: tested by desktoptest in plasma-desktop
• phonon: not used after the startup sound is ported away
• plasma-windowed: tested by appiumtests
• plasmacalendarintegration: tested by digitalclocktest
• runners: most runners have autotests
• shell
  • desktopview
  • screenpool
  • shelltest
  • scripting
• solidautoeject: FreeBSD only, device is involved
• startkde: is it possible to start a plasma session in the CI env?
• statusnotifierwatcher: !4418 (merged)
• wallpapers: the image backend is thoroughly tested
• xembed-sni-proxy
  • clickable
  • icon: !4437 (merged)

Ref: teams/automation/issues#21