public void Arrange() { Setup(); var certificateResponses = Builder <CertificateResponse> .CreateListOfSize(10).Build(); MockHttp.When("http://localhost:59022/api/v1/certificates/tobeprinted") .Respond("application/json", JsonConvert.SerializeObject(certificateResponses)); // Respond with JSON _result = AssessorServiceApi.GetCertificatesToBePrinted().Result; }