spree/spree — pull request #2898 by benjamintanweihao (2013-04-15 13:56:24+00:00)
Title: Replace stub! with stub in specs.

`stub!()` and `stub()` have essentially the same meaning, and as [explained](http://www.mail-archive.com/rspec-users@rubyforge.org/msg13270.html) by David Chelimsky, `stub()` should be used over `stub!()`.