Fixed: Circular loop when using relations and subtasks (#8794).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11641 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/issues_controller_test.rb

@@ -3474,6 +3474,8 @@ class IssuesControllerTest < ActionController::TestCase
   end
 
   def test_bulk_update_parent_id
+    IssueRelation.delete_all
+
     @request.session[:user_id] = 2
     post :bulk_update, :ids => [1, 3],
       :notes => 'Bulk editing parent',