do not test position push in mongodb_v2.4 #1565

tests/document/instance.py

@@ -777,7 +777,6 @@ class InstanceTest(unittest.TestCase):
 
         self.assertDbEqual([dict(doc.to_mongo())])
 
-
     def test_modify_invalid_query(self):
         doc1 = self.Person(name="bob", age=10).save()
         doc2 = self.Person(name="jim", age=20).save()

tests/queryset/modify.py

@@ -2,6 +2,8 @@ import unittest
 
 from mongoengine import connect, Document, IntField, StringField, ListField
 
+from tests.utils import needs_mongodb_v26
+
 __all__ = ("FindAndModifyTest",)
 
 
@@ -94,6 +96,7 @@ class FindAndModifyTest(unittest.TestCase):
         self.assertEqual(old_doc.to_mongo(), {"_id": 1})
         self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": -1}])
 
+    @needs_mongodb_v26
     def test_modify_with_push(self):
         class BlogPost(Document):
             id = StringField(primary_key=True)