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-rw-r--r--browser/components/preferences/tests/head.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/browser/components/preferences/tests/head.js b/browser/components/preferences/tests/head.js
index 1861c040e5..f9e5b10c09 100644
--- a/browser/components/preferences/tests/head.js
+++ b/browser/components/preferences/tests/head.js
@@ -45,7 +45,7 @@ function openAndLoadSubDialog(
}
function promiseLoadSubDialog(aURL) {
- return new Promise((resolve, reject) => {
+ return new Promise(resolve => {
content.gSubDialog._dialogStack.addEventListener(
"dialogopen",
function dialogopen(aEvent) {