* `decl_runtime_apis!` - check that a method without `changed_in` exists
This adds another check to the macro that ensures that not only methods
with `changed_in` exists, but there are also the default methods exist.
* Update primitives/api/proc-macro/src/decl_runtime_apis.rs
Co-Authored-By: Nikolay Volf <nikvolf@gmail.com>
* Fix test
Co-authored-by: Nikolay Volf <nikvolf@gmail.com>