def test_success(self):
        """
        obj.save() should create a new obj in local and cdms if it doesn't exist.
        """
        modified_on = (timezone.now() - datetime.timedelta(days=1)).replace(microsecond=0)
        cdms_id = "brand new id"
        self.mocked_cdms_api.create.side_effect = mocked_cdms_create(
            create_data={"SimpleId": cdms_id, "ModifiedOn": modified_on}
        )

        obj = SimpleObj()
        obj.name = "simple obj"
        obj.dt_field = datetime.datetime(2016, 1, 1).replace(tzinfo=datetime.timezone.utc)
        obj.int_field = 10

        self.assertEqual(obj.cdms_pk, "")
        self.assertEqual(SimpleObj.objects.skip_cdms().count(), 0)
        obj.save()
        self.assertEqual(SimpleObj.objects.skip_cdms().count(), 1)
        self.assertEqual(obj.cdms_pk, cdms_id)
        self.assertEqual(obj.modified, modified_on)

        self.assertAPICreateCalled(
            SimpleObj,
            kwargs={
                "data": {
                    "Name": "simple obj",
                    "DateTimeField": "/Date(1451606400000)/",
                    "IntField": 10,
                    "FKField": None,
                }
            },
        )
        self.assertAPINotCalled(["list", "update", "delete", "get"])

        # reload obj and check cdms_pk and modified
        obj = SimpleObj.objects.skip_cdms().get(pk=obj.pk)
        self.assertEqual(obj.cdms_pk, cdms_id)
        self.assertEqual(obj.modified, modified_on)