fix/bless tests

Author: LorrensP-2158466

tests/ui/extern-flag/empty-extern-arg.rs

@@ -1,4 +1,5 @@
 //~ ERROR extern location for std does not exist
+//~^ ERROR cannot resolve a prelude import
 //@ compile-flags: --extern std=
 //@ needs-unwind since it affects the error output
 //@ ignore-emscripten missing eh_catch_typeinfo lang item

tests/ui/extern-flag/empty-extern-arg.stderr

@@ -1,11 +1,13 @@
 error: extern location for std does not exist: 
 
+error: cannot resolve a prelude import
+
 error: `#[panic_handler]` function required, but not found
 
 error: unwinding panics are not supported without std
    |
    = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
    = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
 
-error: aborting due to 3 previous errors
+error: aborting due to 4 previous errors
 

tests/ui/unpretty/exhaustive.expanded.stdout

@@ -34,9 +34,6 @@ extern crate std;
 #[prelude_import]
 use std::prelude::rust_2024::*;
 
-#[prelude_import]
-use self::prelude::*;
-
 mod prelude {
     pub use std::prelude::rust_2024::*;
 
@@ -47,6 +44,9 @@ mod prelude {
     }
 }
 
+#[prelude_import]
+use self::prelude::*;
+
 mod attributes {
     //! inner single-line doc comment
     /*!

tests/ui/unpretty/exhaustive.hir.stdout

@@ -33,9 +33,6 @@ extern crate std;
 #[prelude_import]
 use std::prelude::rust_2024::*;
 
-#[prelude_import]
-use self::prelude::*;
-
 mod prelude {
     use std::prelude::rust_2024::*;
 
@@ -48,6 +45,9 @@ mod prelude {
     }
 }
 
+#[prelude_import]
+use self::prelude::*;
+
 /// inner single-line doc comment
 /**
      * inner multi-line doc comment

tests/ui/unpretty/exhaustive.rs

@@ -29,9 +29,6 @@
 #![feature(yeet_expr)]
 #![allow(incomplete_features)]
 
-#[prelude_import]
-use self::prelude::*;
-
 mod prelude {
     pub use std::prelude::rust_2024::*;
 
@@ -42,6 +39,9 @@ mod prelude {
     }
 }
 
+#[prelude_import]
+use self::prelude::*;
+
 mod attributes {
     //! inner single-line doc comment
     /*!