Use Concord::Public to fix Request::Rack

lib/request/rack.rb

@@ -1,7 +1,7 @@
 class Request
   # Rack request
   class Rack < self
-    include Concord.new(:rack_env)
+    include Concord::Public.new(:rack_env)
 
     SERVER_PORT       = Key.new('SERVER_PORT')
     REQUEST_METHOD    = Key.new('REQUEST_METHOD')

spec/unit/request/rack/rack_env_spec.rb

@@ -0,0 +1,13 @@
+require 'spec_helper'
+
+describe Request::Rack, '#rack_env' do
+  let(:object) { described_class.new(rack_env) }
+
+  subject { object.rack_env }
+
+  let(:rack_env) { mock('Rack Env') }
+
+  it { should be(rack_env) }
+
+  it_should_behave_like 'a command method'
+end