public async void ShouldGetCreditCardByID()
        {
            var options = new DbContextOptionsBuilder <SecureXContext.SecureXdbContext>()
                          .UseInMemoryDatabase(databaseName: "testXdb9347293427")
                          .Options;

            CreditCard CC2;

            using (var context = new SecureXContext.SecureXdbContext(options))
            {
                var service = new SecureXRepository(context);

                await service.AddCreditCard(CC1);

                CC2 = await service.GetCreditCardById(CC1.Id);

                await service.Save();
            }


            using (var context = new SecureXContext.SecureXdbContext(options))
            {
                CC2.Should().BeEquivalentTo(CC1);
            }
        }