fix

config/locales/en.yml

@@ -2,3 +2,4 @@ en:
   testing:
     testing: Test Module
     order: order
+    hello: hello!

config/locales/zh_tw.yml

@@ -2,3 +2,4 @@ zh_tw:
   testing:
     testing: 測試模組
     order: 排序
+    hello: 嗨!!

lib/testing/engine.rb

@@ -49,7 +49,7 @@ module Testing
           context_link 'testing.hello',
                 :link_path=>"admin_testings_path" ,
                 :priority=>6,
-                :active_for_action=>{'admin/testings'=>'hello'},
+                :active_for_action=>{'admin/testings/hello'=>'hello'},
                 :active_for_tag => 'Testing',
                 :available_for => 'managers'
         end