Bug 1528855 - fix eslint issue. r=noone CLOSED TREE

devtools/client/webconsole/test/mochitest/browser_webconsole_object_in_sidebar_keyboard_nav.js

@@ -35,7 +35,7 @@ add_task(async function() {
 
   // There are 5 nodes: the root, a, b, c, and proto.
   await waitFor(() => objectInspector.querySelectorAll(".node").length === 5);
-  objectInspector.focus()
+  objectInspector.focus();
 
   const [
     root,