Merged r9949 from trunk to 2.0-stable

Tests should not change settings.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.0-stable@10269 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/sys_controller_test.rb

@@ -33,6 +33,10 @@ class SysControllerTest < ActionController::TestCase
     Setting.enabled_scm = %w(Subversion Git)
   end
 
+  def teardown
+    Setting.clear_cache
+  end
+
   def test_projects_with_repository_enabled
     get :projects
     assert_response :success