public void CanSetUpdate()
        {
            var hbmMapping = new HbmMapping();
            var member = typeof(MyClass).GetProperty("Relation");
            var hbm = new HbmManyToOne();
            var mapper = new ManyToOneMapper(member, hbm, hbmMapping);

            mapper.Update(false);
            hbm.update.Should().Be.False();
        }