1 files changed, 3 insertions, 2 deletions
diff --git a/dom/promise/tests/unit/test_promise_job_across_sandbox.js b/dom/promise/tests/unit/test_promise_job_across_sandbox.js
index ff1d1575e3..d98947cccc 100644
--- a/dom/promise/tests/unit/test_promise_job_across_sandbox.js
+++ b/dom/promise/tests/unit/test_promise_job_across_sandbox.js
@@ -114,7 +114,7 @@ add_task(async function testThenableJob() {
   const p = new Promise(resolve => {
     // Create a bound function where its realm is privileged realm, and
     // its target is from sandbox realm.
-    sandbox.then = function (onFulfilled, onRejected) {
+    sandbox.then = function () {
       resolve(10);
     };
   });
@@ -138,7 +138,7 @@ add_task(async function testThenableJobNuked() {
   const sandbox = createSandbox();
 
   let called = false;
-  sandbox.then = function (onFulfilled, onRejected) {
+  sandbox.then = function () {
     called = true;
   };
 
@@ -175,6 +175,7 @@ add_task(async function testThenableJobAccessError() {
   sandbox.thenable = {
     get then() {
       accessed = true;
+      return undefined;
     },
   };