diff --git a/addons/website_livechat/static/tests/helpers/mock_server/controllers/dataset.js b/addons/website_livechat/static/tests/helpers/mock_server/controllers/dataset.js
index f0c6f76442a..728cbddbf33 100644
--- a/addons/website_livechat/static/tests/helpers/mock_server/controllers/dataset.js
+++ b/addons/website_livechat/static/tests/helpers/mock_server/controllers/dataset.js
@@ -3,23 +3,16 @@
 import { patch } from "@web/core/utils/patch";
 import { MockServer } from "@web/../tests/helpers/mock_server";
 
-patch(MockServer.prototype, 'website_livechat/controllers/dataset', {
+patch(MockServer.prototype, "website_livechat/controllers/dataset", {
     /**
      * @override
      */
-     async _performRPC(route, args) {
-        if (route === '/web/dataset/call_button') {
-            return this._mockCallButton(args);
-        }
-        return this._super(route, args);
-    },
-    /**
-     * Simulate a 'call_button' operation from a view.
-     *
-     * @override
-     */
-    _mockCallButton({ args, kwargs, method, model }) {
-        if (model === 'website.visitor' && method === 'action_send_chat_request') {
+     async _performRPC(route, { args, method, model }) {
+        if (
+            route === "/web/dataset/call_button" &&
+            model === "website.visitor" &&
+            method === "action_send_chat_request"
+        ) {
             return this._mockWebsiteVisitorActionSendChatRequest(args[0]);
         }
         return this._super(...arguments);