don't use rspec 3 yet

Author: Floppy

coopy.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
-  spec.add_development_dependency "rspec"
+  spec.add_development_dependency "rspec", "< 3"
   spec.add_development_dependency "coveralls"
   spec.add_development_dependency "pry"
 end