* in IDE:
# open `core/admin_templates/js/forms.js` file for editing
# add `console.log('resizing');` after `Form.reizeTimeoutId = setTimeout(function () {` line
# save changes
* in Web Browser:
# login to the Admin Console
# go to the {nav User Management > Groups} section
# open any group for editing
# go to `Permissions` tab
# open Web Browser inspector in a separate window (so that it won't reduce editing window height) on the `Console` tab and clear it's contents
# scroll to the end of the editing window
# confirm, that the `Admin Skins` section is visible
# scroll to the middle of the editing window
# increase the size of the editing window
# confirm, that single `resizing` text was added to the `Console` tab of the Inspector window
# scroll to the end of the editing window
# confirm, that the `Admin Skins` section is visible