public void GetSchedulesCampaignsCampaignIdTest()
        {
            // TODO: add unit test for the method 'GetSchedulesCampaignsCampaignId'
            string campaignId = null; // TODO: replace null with proper value
            var    response   = instance.GetSchedulesCampaignsCampaignId(campaignId);

            Assert.IsInstanceOf <CampaignSchedule> (response, "response is CampaignSchedule");
        }