Improve tests coverage for `cs\Menu`
Improve tests coverage for `cs\Menu`

nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-CMS