Test case:
1. Add LDAP authentication to an institution. Set a wrong Host URL to it. 2. Logout and try to login as an user 3. The user's password must not be shown in the screen or error log
Test case:
1. Add LDAP authentication to an institution. Set a wrong Host URL to it.
2. Logout and try to login as an user
3. The user's password must not be shown in the screen or error log