public void Delete_Return_OKResult() { //Arrange // var PolicyRepository = new PolicyRepository(); var mock = new Mock <IPolicyService>(); mock.Setup(m => m.Get()).ReturnsAsync(new List <Policy>() { new Policy() { Id = 739562 } }); var controller = new PoliciesController(mock.Object); //Act var data = controller.Remove(739562).Result as OkResult; //Assert Assert.IsNotNull(data); Assert.AreEqual(200, data.StatusCode); }