public async Task AddMunicipality_Created() { mockMediator.Setup(x => x.Send(It.IsAny <AddMunicipalityCommand>(), default(System.Threading.CancellationToken))).Verifiable(); var payload = new List <Municipality> { new Municipality { Name = "Copenhagen" } }; var result = (await taxController.AddMunicipality(payload)) as StatusCodeResult; Assert.Equal(result.StatusCode, (int)HttpStatusCode.Created); }