error[E0599]: no method named `foo` found for struct `bevy::prelude::World` in the current scope
  --> tests/ui/no_world.rs:18:11
   |
18 |     world.foo();
   |           ^^^ method not found in `World`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
note: `CommandsFooExt` defines an item `foo`, perhaps you need to implement it
  --> tests/ui/no_world.rs:5:1
   |
5  | #[command(no_world)]
   | ^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in the attribute macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)