Refactored the response test to properly display nil

spec/faraday/response_spec.rb

@@ -32,7 +32,7 @@
       end
     else
       [nil, "error", "errors"].each do |body|
-        context "when HTTP status is #{status} and body is #{body}" do
+        context "when HTTP status is #{status} and body is #{body||='nil'}" do
           before do
             body_message = '{"'+body+'":"test"}' unless body.nil?
             stub_get('statuses/user_timeline.json').