Address review comments and cleanup code

src/test/ui/issues/issue-56411.rs

@@ -3,14 +3,14 @@ macro_rules! import {
         $(
             mod $name;
             pub use self::$name;
-            //~^ ERROR the name `issue_56411` is defined multiple times
-            //~| ERROR `issue_56411` is private, and cannot be re-exported
+            //~^ ERROR the name `issue_56411_aux` is defined multiple times
+            //~| ERROR `issue_56411_aux` is private, and cannot be re-exported
 
         )*
     }
 }
 
-import!(issue_56411);
+import!(issue_56411_aux);
 
 fn main() {
     println!("Hello, world!");

src/test/ui/issues/issue-56411.stderr

@@ -1,29 +1,29 @@
-error[E0255]: the name `issue_56411` is defined multiple times
+error[E0255]: the name `issue_56411_aux` is defined multiple times
   --> $DIR/issue-56411.rs:5:21
    |
 LL |             mod $name;
-   |             ---------- previous definition of the module `issue_56411` here
+   |             ---------- previous definition of the module `issue_56411_aux` here
 LL |             pub use self::$name;
    |                     ^^^^^^^^^^^
    |                     |
-   |                     `issue_56411` reimported here
+   |                     `issue_56411_aux` reimported here
    |                     you can use `as` to change the binding name of the import
 ...
-LL | import!(issue_56411);
-   | --------------------- in this macro invocation
+LL | import!(issue_56411_aux);
+   | ------------------------- in this macro invocation
    |
-   = note: `issue_56411` must be defined only once in the type namespace of this module
+   = note: `issue_56411_aux` must be defined only once in the type namespace of this module
 
-error[E0365]: `issue_56411` is private, and cannot be re-exported
+error[E0365]: `issue_56411_aux` is private, and cannot be re-exported
   --> $DIR/issue-56411.rs:5:21
    |
 LL |             pub use self::$name;
-   |                     ^^^^^^^^^^^ re-export of private `issue_56411`
+   |                     ^^^^^^^^^^^ re-export of private `issue_56411_aux`
 ...
-LL | import!(issue_56411);
-   | --------------------- in this macro invocation
+LL | import!(issue_56411_aux);
+   | ------------------------- in this macro invocation
    |
-   = note: consider declaring type or module `issue_56411` with `pub`
+   = note: consider declaring type or module `issue_56411_aux` with `pub`
 
 error: aborting due to 2 previous errors