scm: fix unit changeset_test.rb test methods calls randomly.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4924 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/changeset_test.rb

@@ -214,10 +214,12 @@ class ChangesetTest < ActiveSupport::TestCase
   end
   
   def test_invalid_utf8_sequences_in_comments_should_be_stripped
+    with_settings :commit_logs_encoding => 'UTF-8' do
       c = Changeset.new
       c.comments = File.read("#{RAILS_ROOT}/test/fixtures/encoding/iso-8859-1.txt")
       assert_equal "Texte encod en ISO-8859-1.", c.comments
     end
+  end
 
   def test_identifier
     c = Changeset.find_by_revision('1')