Merge branch 'add-prepend-mod-to-terms-helper' into 'master'

Add prepend mod to terms_helper.rb

See merge request gitlab-org/gitlab!82888

spec/support/helpers/terms_helper.rb

@@ -19,3 +19,5 @@ module TermsHelper
     expect(page).to have_content('Please accept the Terms of Service before continuing.')
   end
 end
+
+TermsHelper.prepend_mod