Make sure that tests restore the attachments path to the tmp dir so that fixture files don't get deleted.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8248 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/project_test.rb

@@ -34,6 +34,7 @@ class ProjectTest < ActiveSupport::TestCase
   def setup
     @ecookbook = Project.find(1)
     @ecookbook_sub1 = Project.find(3)
+    set_tmp_attachments_directory
     User.current = nil
   end