Fix switch_locale to return the block result

app/controllers/application_controller.rb

@@ -75,8 +75,8 @@ class ApplicationController < ActionController::Base
   def switch_locale(&action)
     session[:locale] = params[:custom_locale] || params[:locale] || session[:locale]
     locale = session[:locale] || I18n.default_locale
-    I18n.with_locale(locale, &action)
     Sentry.set_extras(locale: locale)
+    I18n.with_locale(locale, &action)
   end
   private :switch_locale
 

app/controllers/concerns/submission_scoring.rb

@@ -57,7 +57,7 @@ module SubmissionScoring
   private :execute_test_file
 
   def feedback_message(file, output)
-    set_locale
+    switch_locale do
       if output[:score] == Assessor::MAXIMUM_SCORE && output[:file_role] == 'teacher_defined_test'
         I18n.t('exercises.implement.default_test_feedback')
       elsif output[:score] == Assessor::MAXIMUM_SCORE && output[:file_role] == 'teacher_defined_linter'
@@ -66,6 +66,7 @@ module SubmissionScoring
         render_markdown(file.feedback_message)
       end
     end
+  end
 
   def score_submission(submission)
     outputs = collect_test_results(submission)

spec/controllers/application_controller_spec.rb

@@ -35,7 +35,7 @@ describe ApplicationController do
     expect_redirect(:root)
   end
 
-  describe '#set_locale' do
+  describe '#switch_locale' do
     let(:locale) { :de }
 
     context 'when specifying a locale' do