RM3771: Fix InstanceObserver spec for upstream
RM3771: Fix InstanceObserver spec for upstream

We need to test for deletion of a record, but ActiveRecord 3.2 does not
like when #reload is called on a deleted record.

With the spec in question, we can just #reload the parent record and
assert for the same thing.

aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor