visoft/google_books — comment on commit eea9c3940ee978d5dcbaed184b3686f53c483bcb
File: spec/support/vcr.rb line 3
By visoft:

These two lines seem to clear up issues when testing with multiple versions of Ruby providing you initially run the tests using 1.8.7 first, and then run the tests using 1.9.2. If you do it the other way around, 1.8.7 fails.