public void Should_return_true_if_value_type_is_struct_and_key_type_matches_the_nullable_struct_key()
 {
     IntBasedStructValueObjectTypeConverter.CanConvertFrom(typeof(int?)).Should().BeTrue();
 }
 public void Should_return_true_if_source_type_is_nullable_value_type_of_itself()
 {
     IntBasedStructValueObjectTypeConverter.CanConvertFrom(typeof(IntBasedStructValueObject?)).Should().BeTrue();
 }