Fix pending specs

Follow up to #9.  Based on rspec/rspec-core#1525.

This is the last change I had planned to make before this being ready to release with the RC release.  One thing I was concerned/confused about is that there are a bunch of places in the code here that specifically reference `RSpec2` (or `Rspec2`).  @JonRowe should we update those to rspec 3?  I don't really understand how our autotest integration works, TBH.