public void Delete_Should_Return_OKResult()
        {
            //Arrange
            var mockService = new Mock <ICheckListService>();
            var controller  = new ChecklistController(mockService.Object);
            //Act
            IActionResult actionResult  = controller.Delete(4);
            var           contentResult = actionResult as StatusCodeResult;

            //Assert
            Assert.Equal(204, contentResult.StatusCode);
            Assert.NotNull(contentResult);
        }