1 files changed, 4 insertions, 8 deletions
diff --git a/toolkit/components/passwordmgr/test/mochitest/test_password_length.html b/toolkit/components/passwordmgr/test/mochitest/test_password_length.html
index 724caf236f..10a79f2839 100644
--- a/toolkit/components/passwordmgr/test/mochitest/test_password_length.html
+++ b/toolkit/components/passwordmgr/test/mochitest/test_password_length.html
@@ -12,19 +12,15 @@
 let readyPromise = registerRunTests();
 
 let loadPromise = new Promise(resolve => {
-  document.addEventListener("DOMContentLoaded", () => {
-    document.getElementById("loginFrame").addEventListener("load", (evt) => {
-      resolve();
-    });
+  document.addEventListener("DOMContentLoaded", _event => {
+    document.getElementById("loginFrame").addEventListener("load", _e => resolve());
   });
 });
 
 async function loadFormIntoIframe(origin, html) {
   let loginFrame = document.getElementById("loginFrame");
   let loadedPromise = new Promise((resolve) => {
-    loginFrame.addEventListener("load", function() {
-      resolve();
-    }, {once: true});
+    loginFrame.addEventListener("load", _e => resolve(), {once: true});
   });
   let processedPromise = promiseFormsProcessed();
   loginFrame.src = origin + "/tests/toolkit/components/passwordmgr/test/mochitest/blank.html";
@@ -80,7 +76,7 @@ const TESTCASES = [
  * @return {Promise} resolving when form submission was processed.
  */
 function getSubmitMessage() {
-  return new Promise((resolve, reject) => {
+  return new Promise((resolve) => {
     PWMGR_COMMON_PARENT.addMessageListener("formSubmissionProcessed", function processed(...args) {
       info("got formSubmissionProcessed");
       PWMGR_COMMON_PARENT.removeMessageListener("formSubmissionProcessed", processed);