Avoid random test failures due to order of items in lists

backend/tests/test_crud_entity.py

@@ -473,7 +473,7 @@ def asserts_after_entities_update(self, db: Session, born_time: datetime):
         assert e.get('age', db).value == 10
         assert e.get('born', db).value.astimezone(timezone.utc) == born_time.astimezone(
             timezone.utc)
-        assert [i.value for i in e.get('friends', db)] == self._default_friends(db)
+        assert {i.value for i in e.get('friends', db)} == set(self._default_friends(db))
         assert e.get('nickname', db) is None
         nicknames = db.execute(
             select(ValueStr)