Merge branch 'tests' into 'master'

.gitlab-ci.yml

ldap_server_entries.json

tests/test_csrf.py

tests/test_mail.py

tests/test_mfa.py

tests/test_oauth2.py

tests/test_role.py

tests/test_selfservice.py

tests/test_session.py

tests/test_user.py

tests/utils.py

uffd/mail/templates/mail.html

uffd/mail/templates/mail_list.html

uffd/mfa/templates/auth.html

uffd/role/templates/role_list.html

uffd/selfservice/templates/forgot_password.html

uffd/selfservice/templates/set_password.html

uffd/selfservice/views.py

uffd/session/templates/login.html

uffd/template_helper.py