[RW-7617][risk=no] Try reverting NB image upgrade in test (#5997)
[RW-7617][risk=no] Try reverting NB image upgrade in test (#5997)


all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench