Issue #3371963: Update Nightwatch to 3.x

core/tests/Drupal/Nightwatch/Assertions/deprecationErrorExists.js

@@ -17,7 +17,11 @@ module.exports.assertion = function (expected) {
   };
   this.command = (callback) =>
     // eslint-disable-next-line prefer-arrow-callback
-    this.api.execute(function () {
-      return window.sessionStorage.getItem('js_testing_log_test.warnings');
-    }, callback);
+    this.api.execute(
+      function () {
+        return window.sessionStorage.getItem('js_testing_log_test.warnings');
+      },
+      [],
+      callback,
+    );
 };