Update ConferenceFactory to use CharField instead of multi-lingual field

Co-authored-by: Marco Acierno <marcoacierno@users.noreply.github.com>

Author: claude[bot]

backend/conferences/tests/factories.py

@@ -24,7 +24,7 @@
 
 class ConferenceFactory(DjangoModelFactory):
     organizer = factory.SubFactory(OrganizerFactory)
-    name = LanguageFactory("name")
+    name = factory.Faker("word")
     code = factory.Sequence(lambda n: "code{}".format(n))
     introduction = LanguageFactory("sentence")
 

backend/conferences/tests/test_models.py

@@ -1,15 +1,14 @@
 from conferences.tests.factories import ConferenceFactory
 from pytest import mark
 
-from i18n.strings import LazyI18nString
 from conferences.models.conference import get_upload_to
 
 pytestmark = mark.django_db
 
 
 def test_conference_to_str():
     assert "Ciao Mondo <ep1>" == str(
-        ConferenceFactory(name=LazyI18nString({"en": "Ciao Mondo"}), code="ep1")
+        ConferenceFactory(name="Ciao Mondo", code="ep1")
     )