Add tests for simple match with namespace.

actionpack/test/dispatch/routing_test.rb

@@ -115,6 +115,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
       match 'articles/:year/:month/:day/:title', :to => "articles#show", :as => :article
 
       namespace :account do
+        match 'description', :to => "account#description", :as => "description"
         resource :subscription, :credit, :credit_card
 
         namespace :admin do
@@ -650,6 +651,15 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     self.host = previous_host
   end
 
+  def test_normalize_namespaced_matches
+    with_test_routes do
+      assert_equal '/account/description', account_description_path
+
+      get '/account/description'
+      assert_equal 'account#description', @response.body
+    end
+  end
+
   def test_optional_scoped_path
     with_test_routes do
       assert_equal '/en/descriptions', descriptions_path("en")