test: Make one multi suggestion test unicode

Author: Muscraft

…const-generics/issues/issue-82956.stderr …generics/issues/issue-82956.ascii.stderrtests/ui/const-generics/issues/issue-82956.stderr renamed to tests/ui/const-generics/issues/issue-82956.ascii.stderr tests/ui/const-generics/issues/issue-82956.stderr renamed to tests/ui/const-generics/issues/issue-82956.ascii.stderr

@@ -1,5 +1,5 @@
 error[E0433]: failed to resolve: use of undeclared type `IntoIter`
-  --> $DIR/issue-82956.rs:25:24
+  --> $DIR/issue-82956.rs:28:24
    |
 LL |         let mut iter = IntoIter::new(self);
    |                        ^^^^^^^^ use of undeclared type `IntoIter`

tests/ui/const-generics/issues/issue-82956.rs

@@ -1,3 +1,6 @@
+//@ revisions: ascii unicode
+//@[unicode] compile-flags: -Zunstable-options --error-format=human-unicode
+
 #![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
@@ -23,7 +26,7 @@ where
 
     fn pop(self) -> (Self::Newlen, Self::Output) {
         let mut iter = IntoIter::new(self);
-        //~^ ERROR: failed to resolve: use of undeclared type `IntoIter`
+        //[ascii]~^ ERROR: failed to resolve: use of undeclared type `IntoIter`
         let end = iter.next_back().unwrap();
         let new = [(); N - 1].map(move |()| iter.next().unwrap());
         (new, end)

tests/ui/const-generics/issues/issue-82956.unicode.stderr

@@ -0,0 +1,21 @@
+error[E0433]: failed to resolve: use of undeclared type `IntoIter`
+   ╭▸ $DIR/issue-82956.rs:28:24
+   │
+LL │         let mut iter = IntoIter::new(self);
+   │                        ━━━━━━━━ use of undeclared type `IntoIter`
+   ╰╴
+help: consider importing one of these structs
+   ╭╴
+LL + use std::array::IntoIter;
+   ├╴
+LL + use std::collections::binary_heap::IntoIter;
+   ├╴
+LL + use std::collections::btree_map::IntoIter;
+   ├╴
+LL + use std::collections::btree_set::IntoIter;
+   ╰╴
+     and 9 other candidates
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0433`.