Import change from Bug 1501791

See also https://phabricator.services.mozilla.com/D9696
mozilla-services · Jan 3, 2019 · 8289709 · 8289709
1 parent c6c7490
commit 8289709
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/test/addon/browser_screenshots_ui_check.js b/test/addon/browser_screenshots_ui_check.js
@@ -59,8 +59,8 @@ function promisePageActionViewChildrenVisible(panelViewNode) {
   info("promisePageActionViewChildrenVisible waiting for a child node to be visible");
   const dwu = window.windowUtils;
   return BrowserTestUtils.waitForCondition(() => {
-    const bodyNode = panelViewNode.firstChild;
-    for (const childNode of bodyNode.childNodes) {
+    const bodyNode = panelViewNode.firstElementChild;
+    for (const childNode of bodyNode.children) {
       const bounds = dwu.getBoundsWithoutFlushing(childNode);
       if (bounds.width > 0 && bounds.height > 0) {
         return true;