Skip incompatible tests on Django 6.0+

refs:
- #635
- #646
- https://code.djangoproject.com/ticket/27222

auditlog_tests/tests.py

@@ -4,11 +4,12 @@ import json
 import random
 import warnings
 from datetime import timezone
-from unittest import mock
+from unittest import mock, skipIf
 from unittest.mock import patch
 
 import freezegun
 from dateutil.tz import gettz
+from django import VERSION as DJANGO_VERSION
 from django.apps import apps
 from django.conf import settings
 from django.contrib.admin.sites import AdminSite
@@ -1213,6 +1214,10 @@ class DateTimeFieldModelTest(TestCase):
         )
         dtm.save()
 
+    @skipIf(
+        DJANGO_VERSION >= (6, 0, 0),
+        "Django 6.0+ evaluates Now() during save (ticket #27222)",
+    )
     def test_datetime_field_functions_now(self):
         timestamp = datetime.datetime(2017, 1, 10, 15, 0, tzinfo=timezone.utc)
         date = datetime.date(2017, 1, 10)
@@ -1231,6 +1236,10 @@ class DateTimeFieldModelTest(TestCase):
         dtm.save()
         self.assertEqual(dtm.naive_dt, Now())
 
+    @skipIf(
+        DJANGO_VERSION >= (6, 0, 0),
+        "Django 6.0+ evaluates Value() during save (ticket #27222)",
+    )
     def test_json_field_value_none(self):
         json_model = NullableJSONModel(json=Value(None, JSONField()))
         json_model.save()