Steps to reproduce:
- Add Blog portlet to a page
- Add blog entry named b1
- View b1 and copy the trackback URL
- Add another blog entry named b2, and set Trackbacks to Send with copied URL from b1.
- Assert the comment number for b1 is "1 comment"
- Wait for awhile about 2-3 mins
- Refresh the page and to view the comment number for b1
The comment number should keep to "1".
The comment number changes from 1 to 0, shows "0 comments".