add leftright to test env for 1.8 only

Author: defunkt

Gemfile

@@ -5,4 +5,5 @@ gemspec
 group :test do
   gem "rack-test", "~> 0.5"
   gem "mocha", "~> 0.9.7"
+  gem "leftright", :platforms => :mri_18
 end

Gemfile.lock

@@ -17,14 +17,15 @@ GEM
       activesupport
       builder
     json (1.5.1)
+    leftright (0.9.1)
     mocha (0.9.7)
       rake
     rack (1.2.2)
     rack-test (0.5.7)
       rack (>= 1.0)
     rake (0.8.7)
     redis (2.2.0)
-    redis-namespace (0.10.0)
+    redis-namespace (1.0)
       redis (< 3.0.0)
     sinatra (1.2.6)
       rack (~> 1.1)
@@ -37,6 +38,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  leftright
   mocha (~> 0.9.7)
   rack-test (~> 0.5)
   resque!