Fix LocationTest LocaleAssignment offenses
Fix LocationTest LocaleAssignment offenses

Use `with_locale` blocks instead of switching local with `locale =`

MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer