2 files changed, 16 insertions, 1 deletions

diff --git a/crates/mbe/src/tests/expand.rs b/crates/mbe/src/tests/expand.rs
index 8951f3813..e02d038b6 100644
--- a/crates/mbe/src/tests/expand.rs
+++ b/crates/mbe/src/tests/expand.rs
@@ -663,6 +663,21 @@ macro foo {
 }
 
 #[test]
+fn test_macro_2_0_panic_2015() {
+    parse_macro2(
+        r#"
+macro panic_2015 {
+    () => (
+    ),
+    (bar) => (
+    ),
+}
+"#,
+    )
+    .assert_expand_items("panic_2015!(bar);", "");
+}
+
+#[test]
 fn test_path() {
     parse_macro(
         r#"
diff --git a/crates/mbe/src/tests/rule.rs b/crates/mbe/src/tests/rule.rs
index bf48112b3..5c61a98fd 100644
--- a/crates/mbe/src/tests/rule.rs
+++ b/crates/mbe/src/tests/rule.rs
@@ -44,6 +44,6 @@ fn parse_macro_arm(arm_definition: &str) -> Result<crate::MacroRules, ParseError
     let macro_definition =
         source_file.syntax().descendants().find_map(ast::MacroRules::cast).unwrap();
 
-    let (definition_tt, _) = ast_to_token_tree(&macro_definition.token_tree().unwrap()).unwrap();
+    let (definition_tt, _) = ast_to_token_tree(&macro_definition.token_tree().unwrap());
     crate::MacroRules::parse(&definition_tt)
 }