Replace stub with double

Author: sferik

Gemfile

@@ -6,7 +6,7 @@ gem 'rdoc'
 group :test do
   gem 'addressable'
   gem 'coveralls', :require => false
-  gem 'rspec', '>= 2.11'
+  gem 'rspec', '>= 2.14'
   gem 'simplecov', :require => false
 end
 

spec/oauth2/client_spec.rb

@@ -39,9 +39,9 @@
     end
 
     it "is able to pass a block to configure the connection" do
-      connection = stub('connection')
-      session = stub('session', :to_ary => nil)
-      builder = stub('builder')
+      connection = double('connection')
+      session = double('session', :to_ary => nil)
+      builder = double('builder')
       connection.stub(:build).and_yield(builder)
       Faraday::Connection.stub(:new => connection)