refactor to use rootUrl method

services/PlaywrightService.js

@@ -38,7 +38,7 @@ class PlaywrightService {
         const page = await browser.newPage();
 
         try {
-            await page.goto(this.#url);
+            await page.goto(this.rootUrl());
             await injectAxe(page);
             const results = await page.evaluate(async () => {
             return await window.axe.run();