Robustify rpc submission test
Robustify rpc submission test

On at least 1 system (cobalt07), the rows returned from task_rel are in
the opposite of the expected order. Look up the target task_rel by id
instead of relying on the order.

WIPACrepo/iceprod,WIPACrepo/iceprod,WIPACrepo/iceprod,WIPACrepo/iceprod