public async Task Add_Banner()
        {
            var options         = DatabaseOrganisation.GetOptions(nameof(Add_Banner));
            var bannerDTOMapper = new Mock <IDtoMapper <Banner, BannerDTO> >();

            using (var arrangeContext = new ApplicationDbContext(options))
            {
                var bannerDTOMapperMock = new Mock <IDtoMapper <Banner, BannerDTO> > ();
                bannerDTOMapperMock.Setup(x => x.MapFrom(It.IsAny <Banner>())).Returns(TestUtils.bannerDTO1);
                var sut    = new BannerService(arrangeContext, bannerDTOMapperMock.Object, null);
                var banner = await sut.AddBannerAsync("path", "01.01.2018", "01.01.2019", "bmw.bg");

                Assert.IsInstanceOfType(banner, typeof(BannerDTO));
                Assert.AreEqual(arrangeContext.Banners.First().ImagePath, "path");
                Assert.AreEqual(arrangeContext.Banners.First().StartDate, DateTime.Parse("01.01.2018"));
                Assert.AreEqual(arrangeContext.Banners.First().EndDate, DateTime.Parse("01.01.2019"));
            }
        }