Fixes a failing test.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4958 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/issue_test.rb

@@ -622,6 +622,8 @@ class IssueTest < ActiveSupport::TestCase
   end
   
   def test_journalized_description
+    IssueCustomField.delete_all
+    
     i = Issue.first
     old_description = i.description
     new_description = "This is the new description"