fix flaky test

Author: WaVEV

tests/model_fields_/test_embedded_model.py

@@ -138,12 +138,10 @@ def test_order_and_group_by_embedded_field(self):
 
     def test_range_query(self):
         sorted_obj = sorted(self.objs, key=lambda x: x.data.auto_now)
-        queryset = Holder.objects.filter(
-            data__auto_now__range=(sorted_obj[2].data.auto_now, sorted_obj[-1].data.auto_now)
-        ).order_by("data__integer")
+        queryset = Holder.objects.filter(data__integer__range=(2, 6)).order_by("data__auto_now")
         self.assertEqual(queryset.count(), 4)
-        expected_objs = sorted(e.data.integer for e in sorted_obj[2:])
-        self.assertQuerySetEqual(queryset, expected_objs, lambda h: h.data.integer)
+        expected_objs = sorted(truncate_ms(e.data.auto_now) for e in sorted_obj[2:])
+        self.assertQuerySetEqual(queryset, expected_objs, lambda h: h.data.auto_now)
 
     def test_order_and_group_by_embedded_field_annotation(self):
         # Create repeated `data__integer` values.