$ ruby child_update_fail.rb

--- pass 0 (lazy load property in save hook == false)

item 1 has order 1, updating with new_order 2
EXPECTED: item 1 now has order 2

--- pass 1 (lazy load property in save hook == true)

materializing lazy_loaded property
item 1 has order 1, updating with new_order 2
materializing lazy_loaded property
NOT EXPECTED: item 1 now has order 1 (wanted order 2)
$