public void Epic_Service_Add_Method_should_throw_FormatException_with_invalid_input()
        {
            //Arrange

            var request = new EpicMaster();

            request.EpicId = 1;
            var mockRepoReq = new Mock <IEpicRepository>();                       //mocking RequestRepository

            mockRepoReq.Setup(x => x.Add(request)).Throws(new FormatException()); //mocking GetAll() of RequestRepository
            EpicService obj = new EpicService(mockRepoReq.Object);
            //Act
            var ex = Record.Exception(() => obj.Add(request));

            //Assert
            // Assert.NotNull(res);
            Assert.IsType <FormatException>(ex);
        }
        public void Epic_Service_Add_Method_should_throw_nullRefrenceException()
        {
            //Arrange

            var request = new EpicMaster();

            request.EpicId = 1;
            var mockRepoReq = new Mock <IEpicRepository>();                              //mocking RequestRepository

            mockRepoReq.Setup(x => x.Add(request)).Throws(new NullReferenceException()); //mocking GetAll() of RequestRepository
            EpicService obj = new EpicService(mockRepoReq.Object);
            //Act
            var ex = Record.Exception(() => obj.Add(request));

            //Assert
            ;
            Assert.IsType <NullReferenceException>(ex);
        }