OSRA-278; Ensure consistent ordering of pending orphans on import

https://osraav.atlassian.net/browse/OSRA-278

- `pending_orphan_list.pending_orphans` always returns the associated records in same order

OSRA-278 #Code-Review
Syntactic sugar. There is nothing different about the "again" vs. non-"again" step, but within different scenarios one or the other reads better.

Further to that, @4lexm shared [this](http://pivotallabs.com/cucumber-step-definitions-are-not-methods/) a while back, and I'm starting to see that there can be good reasons for taking that approach - such as in the situation with this step.