1 files changed, 4 insertions, 7 deletions
diff --git a/js/xpconnect/tests/browser/browser_dead_object.js b/js/xpconnect/tests/browser/browser_dead_object.js
index b8b2dd0688..a79b46bc36 100644
--- a/js/xpconnect/tests/browser/browser_dead_object.js
+++ b/js/xpconnect/tests/browser/browser_dead_object.js
@@ -19,13 +19,10 @@ add_task(async function test() {
       let { TestUtils } = ChromeUtils.importESModule(
         "resource://testing-common/TestUtils.sys.mjs"
       );
-      let promise = TestUtils.topicObserved(
-        "inner-window-nuked",
-        (subject, data) => {
-          let id = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
-          return id == args.innerWindowId;
-        }
-      );
+      let promise = TestUtils.topicObserved("inner-window-nuked", subject => {
+        let id = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
+        return id == args.innerWindowId;
+      });
       content.location = "http://mochi.test:8888/";
       await promise;
       return Cu.isDeadWrapper(doc);