rspec/rspec-expectations — pull request #566 by myronmarston (2014-06-07 22:20:32+00:00)
Title: Add missing require.

This file uses rspec-support’s MethodSignatureVerifier
but does not load it. It was working because rspec-mocks
loads it so it was loaded in the same process. It would
fail for users using rspec-expectations but not rspec-mocks,
though.