Add "signed in as" header to some pages (#4523)

spec/controllers/auth/sessions_controller_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe Auth::SessionsController, type: :controller do
         sign_in(user, scope: :user)
         delete :destroy
 
-        expect(response).to redirect_to(root_path)
+        expect(response).to redirect_to(new_user_session_path)
       end
     end
 
@@ -38,7 +38,7 @@ RSpec.describe Auth::SessionsController, type: :controller do
         sign_in(user, scope: :user)
         delete :destroy
 
-        expect(response).to redirect_to(root_path)
+        expect(response).to redirect_to(new_user_session_path)
       end
     end
   end