2. Create a user in "No institution" and log in as that user and change the language preferences to language 1 and make sure that the interface is displayed in that language.
3. Create an institution and set the language preference to language 2 and create another user as member of that institution to check that the interface is in that language.
4. Add the user from step 2 to the new institution.
5. Log in as the user and check his inbox. The institution confirmation message should be displayed in the user's preferred language and not the institution language.
Test scenario for the original bug report:
1. Install at least two language packs.
2. Create a user in "No institution" and log in as that user and change the language preferences to language 1 and make sure that the interface is displayed in that language.
3. Create an institution and set the language preference to language 2 and create another user as member of that institution to check that the interface is in that language.
4. Add the user from step 2 to the new institution.
5. Log in as the user and check his inbox. The institution confirmation message should be displayed in the user's preferred language and not the institution language.