CollectionSpec: prefer `not_to` over `never`
CollectionSpec: prefer `not_to` over `never`

jabbrwcky/guacamole,triAGENS/guacamole,triAGENS/guacamole,jabbrwcky/guacamole,triAGENS/guacamole,triAGENS/guacamole,jabbrwcky/guacamole,jabbrwcky/guacamole