# select `advanced` theme
# create at least two levels of product categories under base `Products` category
# go to {nav Website & Content > Browse Website}, browse some 1st level product category
# confirm, that besides 2nd level category in sib-categories list is shown green "Edit Item" button with pencil icon
# change `default_design.des.tpl` of `advanced` theme - `button_title="la_Yes"` attribute to `<inp2:st_EditPage mode="start" item_prefix="$item_prefix"/>` tag
# confirm that on the top of pages in `Content Mode` button `Yes` is shown