diff --git a/test/unit/mail_handler_test.rb b/test/unit/mail_handler_test.rb
index 9fe35b62dfae35ea3028b8a6f8f03b1985ac8a8a..bad8655b753a693228d2548376a7efc23a532a26 100644
--- a/test/unit/mail_handler_test.rb
+++ b/test/unit/mail_handler_test.rb
@@ -64,6 +64,7 @@ class MailHandlerTest < ActiveSupport::TestCase
     assert_equal Version.find_by_name('alpha'), issue.fixed_version
     assert_equal 2.5, issue.estimated_hours
     assert_equal 30, issue.done_ratio
+    assert_equal [issue.id, 1, 2], [issue.root_id, issue.lft, issue.rgt]
     # keywords should be removed from the email body
     assert !issue.description.match(/^Project:/i)
     assert !issue.description.match(/^Status:/i)
@@ -201,6 +202,7 @@ class MailHandlerTest < ActiveSupport::TestCase
         assert issue.is_a?(Issue)
         assert issue.author.anonymous?
         assert !issue.project.is_public?
+        assert_equal [issue.id, 1, 2], [issue.root_id, issue.lft, issue.rgt]
       end
     end
   end