1 files changed, 4 insertions, 6 deletions
diff --git a/browser/components/newtab/test/unit/lib/ActivityStream.test.js b/browser/components/newtab/test/unit/lib/ActivityStream.test.js
index c127060021..b9deba1069 100644
--- a/browser/components/newtab/test/unit/lib/ActivityStream.test.js
+++ b/browser/components/newtab/test/unit/lib/ActivityStream.test.js
@@ -417,13 +417,11 @@ describe("ActivityStream", () => {
       clock = sinon.useFakeTimers();
 
       // Have addObserver cause prefHasUserValue to now return true then observe
-      sandbox
-        .stub(global.Services.obs, "addObserver")
-        .callsFake((pref, obs) => {
-          setTimeout(() => {
-            Services.obs.notifyObservers("US", "browser-region-updated");
-          });
+      sandbox.stub(global.Services.obs, "addObserver").callsFake(() => {
+        setTimeout(() => {
+          Services.obs.notifyObservers("US", "browser-region-updated");
         });
+      });
     });
     afterEach(() => clock.restore());