When you enter on a site with subsites and you click the label the menu is not on right position, it just opens on top.
- Create at least 10 or more sites.
- Go to one site and in "Site Info" > "Link to parent site"
- Got to another site and link to the same parent site, and do the same with more sites.
- Now you will have one site with lot of subsites.
- Go to the parent site and check that Subsites looks good.