public void ReturnIdOfCustomerAfterCreation()
        {
            // Arrange
            DbContextOptions options = new DbContextOptionsBuilder()
                                       .UseInMemoryDatabase("InMemDb").Options;
            EfCustomerRepository repository = new EfCustomerRepository(new CapgeminiDbContext(options));

            // Act
            int id = repository.Create(new Model.Customer());

            // Assert
            Assert.True(id > 0);
        }