test: route: fix duplicate "test_roles"

This is introduced by r8189 and r8230 in trunk.
So, this is not effect in 1.3-stable.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8325 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/integration/routing_test.rb

@@ -18,7 +18,7 @@
 require File.expand_path('../../test_helper', __FILE__)
 
 class RoutingTest < ActionController::IntegrationTest
-  def test_roles
+  def test_enumerations
     assert_routing(
         { :method => 'get', :path => "/enumerations" },
         { :controller => 'enumerations', :action => 'index' }