philostler/rspec-sidekiq — pull request #3 by centaure (2013-04-07 04:04:24+00:00)
Title: Define  "RSpec.configure" method when running "rake db:test:prepare".

Loading "rspec/core" defines "RSpec.configure" when running
"rake db:test:prepare". Without loading "rspec/core", you get the
error:
"undefined method `configure' for RSpec:Module"