rspec/rspec-rails — pull request #1139 by cupakromer (2014-08-04 17:35:10+00:00)
Title: Note where to add requires so Rails is loaded.

There are no clear directions where additional library requires should
be included. This let's users know where to add the requires so that
Rails is loaded and available for them.

This came up in rspec/rspec-collection_matchers#18