public void Return_all_settings()
        {
            //Arrange
            //Act
            var response   = _controller.Get();
            var viewResult = Assert.IsType <OkObjectResult>(response).Value;
            var settings   = (IList <Setting>)viewResult;

            // Assert
            response.Should().BeOfType <OkObjectResult>();
            _inMemRepo.GetListOf().Count.Should().Be(settings.Count);
        }