gistfile1.py

#The mocked method to test
    def save_obj(self, original_obj):
        obj = super(CampaignProcessor, self).save_obj(original_obj)
        for r in original_obj.featured_reviews.all():
            review = (
                r and
                review_processor.get_or_create_obj(r)[0]
                or None)
            if review:
                obj.featured_reviews.add(review)
                obj.save()
        return obj


# The code for the test
        review = mommy.make('reviews.Review',id=123,
            campaign=self.original_campaign)
        mock_brand_camp = self.mox.CreateMockAnything()
        self.mox.StubOutWithMock(models.ModelProcessor, 'save_obj')
        self.mox.StubOutWithMock(models.review_processor, 'get_or_create_obj')
        
        models.review_processor.get_or_create_obj(
            review).AndReturn(
                ['brands featured review'])
        self.original_campaign.featured_reviews.add(review)
        mock_brand_camp.save()
        self.mox.ReplayAll()
        obj = models.campaign_processor.save_obj(self.original_campaign)
        self.mox.VerifyAll()
        self.assertEqual(obj,mock_brand_camp)
        self.assertTrue(review in self.original_campaign.featured_reviews.all())

# The error 
AttributeError: MockMethod has no attribute "add". Did you remember to put your mocks in replay mode?,  (in line self.mox.ReplayAll() )