Tests should not change settings.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9949 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/mail_handler_test.rb

@@ -35,6 +35,10 @@ class MailHandlerTest < ActiveSupport::TestCase
     Setting.notified_events = Redmine::Notifiable.all.collect(&:name)
   end
 
+  def teardown
+    Setting.clear_cache
+  end
+
   def test_add_issue
     ActionMailer::Base.deliveries.clear
     # This email contains: 'Project: onlinestore'