Merged r9949 from trunk to 1.4-stable

Tests should not change settings.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.4-stable@10250 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/setting_test.rb

@@ -19,6 +19,10 @@ require File.expand_path('../../test_helper', __FILE__)
 
 class SettingTest < ActiveSupport::TestCase
 
+  def teardown
+    Setting.clear_cache
+  end
+
   def test_read_default
     assert_equal "Redmine", Setting.app_title
     assert Setting.self_registration?