simplify test_unanswered_order test

lacommunaute/forum_conversation/tests/tests_models.py

@@ -1,12 +1,9 @@
-from datetime import datetime, timezone
-
 import pytest
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.db import IntegrityError
 from django.test import TestCase
 from django.urls import reverse
-from factory import Iterator
 
 from lacommunaute.forum.factories import ForumFactory
 from lacommunaute.forum_conversation.factories import (
@@ -53,12 +50,10 @@ def test_unanswered(self):
 
     def test_unanswered_order(self):
         forum = ForumFactory()
-        last_post_dates = [datetime(2025, 5, i, tzinfo=timezone.utc) for i in range(20, 24)]
-
-        TopicFactory.create_batch(
-            size=len(last_post_dates), forum=forum, posts_count=1, last_post_on=Iterator(last_post_dates)
-        )
-        assert list(Topic.objects.unanswered().values_list("last_post_on", flat=True)) == last_post_dates[::-1]
+        topics = TopicFactory.create_batch(size=3, forum=forum, with_post=True)
+        expected_date_list = [topic.last_post_on for topic in topics[::-1]]
+        extracted_date_list = list(Topic.objects.unanswered().values_list("last_post_on", flat=True))
+        assert extracted_date_list == expected_date_list
 
     def test_optimized_for_topics_list_disapproved(self):
         TopicFactory(approved=False)