diff --git a/tests/test_parse_buffer.rs b/tests/test_parse_buffer.rs
index 849fad82d7..1c5908bcfc 100644
--- a/tests/test_parse_buffer.rs
+++ b/tests/test_parse_buffer.rs
@@ -68,7 +68,7 @@ fn trailing_empty_none_group() {
         Ok(())
     }
 
-    // `+ ( + <∅ ∅> ) <∅ <∅ ∅> ∅>`
+    // `+ ( + «∅ ∅» ) «∅ «∅ ∅» ∅»`
     let tokens = TokenStream::from_iter([
         TokenTree::Punct(Punct::new('+', Spacing::Alone)),
         TokenTree::Group(Group::new(
diff --git a/tests/test_stmt.rs b/tests/test_stmt.rs
index ba0554cab3..318e18b069 100644
--- a/tests/test_stmt.rs
+++ b/tests/test_stmt.rs
@@ -57,7 +57,7 @@ fn test_raw_invalid() {
 
 #[test]
 fn test_none_group() {
-    // <∅ async fn f() {} ∅>
+    // «∅ async fn f() {} ∅»
     let tokens = TokenStream::from_iter([TokenTree::Group(Group::new(
         Delimiter::None,
         TokenStream::from_iter([