make tests pass

Author: LorrensP-2158466

tests/ui/imports/auxiliary/same-res-ambigious-extern-fail.rs

@@ -1,3 +1,4 @@
+//@ edition:2018
 //@ proc-macro: same-res-ambigious-extern-macro.rs
 
 macro_rules! globbing{

tests/ui/imports/auxiliary/same-res-ambigious-extern-macro.rs

@@ -1,3 +1,4 @@
+//@ edition: 2018
 extern crate proc_macro;
 use proc_macro::TokenStream;
 

tests/ui/imports/auxiliary/same-res-ambigious-extern.rs

@@ -1,3 +1,4 @@
+//@ edition:2018
 //@ proc-macro: same-res-ambigious-extern-macro.rs
 
 #[macro_use] // this imports the `RustEmbed` macro with `pub(crate)` visibility

tests/ui/imports/same-res-ambigious.nightly-fail.stderr

@@ -0,0 +1,20 @@
+error[E0603]: derive macro `Embed` is private
+  --> $DIR/same-res-ambigious.rs:8:28
+   |
+LL | #[derive(ambigious_extern::Embed)]
+   |                            ^^^^^ private derive macro
+   |
+note: the derive macro `Embed` is defined here
+  --> $DIR/auxiliary/same-res-ambigious-extern-fail.rs:16:9
+   |
+LL | pub use RustEmbed as Embed;
+   |         ^^^^^^^^^
+help: import `Embed` directly
+   |
+LL - #[derive(ambigious_extern::Embed)]
+LL + #[derive(same_res_ambigious_extern_macro::RustEmbed)]
+   |
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0603`.

tests/ui/imports/same-res-ambigious.rs

@@ -1,10 +1,11 @@
+//@ edition: 2018
 //@ revisions: nightly-fail pass
 //@[pass] check-pass
 //@[pass] aux-crate: ambigious_extern=same-res-ambigious-extern.rs
 //@[nightly-fail] aux-crate: ambigious_extern=same-res-ambigious-extern-fail.rs
 // see https://github.com/rust-lang/rust/pull/147196
 
-#[derive(ambigious_extern::Embed)] //[nightly-fail]~ Error: cannot find derive macro `Embed` in this scope
+#[derive(ambigious_extern::Embed)] //[nightly-fail]~ ERROR: derive macro `Embed` is private
 struct Foo{}
 
 fn main(){}