Polymer
diff --git a/‎lib/utils/flattened-nodes-observer.js
+1-1 b/‎lib/utils/flattened-nodes-observer.js
+1-1
diff --git a/‎test/unit/polymer-dom-unpatch.html renamed to ‎test/unit/polymer-dom-nopatch.html b/‎test/unit/polymer-dom-unpatch.html renamed to ‎test/unit/polymer-dom-nopatch.html
@@ -80,7 +80,7 @@ export let FlattenedNodesObserver = class {
    * @nocollapse See https://github.com/google/closure-compiler/issues/2763
    */
   // eslint-disable-next-line
-  static getFlattenedNodes(node, wrapper = (n) => n) {
+  static getFlattenedNodes(node, wrapper = n => n) {
     const wrapped = wrapper(node);
     if (isSlot(node)) {
       node = /** @type {!HTMLSlotElement} */(node); // eslint-disable-line no-self-assign