fix test

Author: nilsnolde

README.md

@@ -2,7 +2,6 @@
 
 <img width="2253" height="1303" alt="image" src="https://github.com/user-attachments/assets/00f43ea8-51df-4319-ad31-4feadf0024c1" />
 
-
 This is the ReactJS demo web app running on https://valhalla.openstreetmap.de. It provides routing and isochrones with a magnitude of options and makes requests to [Valhalla](https://github.com/valhalla/valhalla), an open source routing engine and accompanying libraries for use with OpenStreetMap data.
 
 ## Commands
@@ -27,6 +26,12 @@ This project includes end-to-end tests using [Playwright](https://playwright.dev
 
 ### Running Tests
 
+First install the `playwright` browsers:
+
+```bash
+npx playwright install
+```
+
 ```bash
 # Run all e2e tests in headless mode
 npm run test:e2e

src/components/tiles/valhalla-layers.spec.ts

@@ -130,7 +130,7 @@ describe('valhalla-layers', () => {
     it('should have properly encoded JSON structure', () => {
       const url = getValhallaTileUrl();
       const expectedEncoded =
-        '%7B%22tile%22%3A%7B%22z%22%3A{z}%2C%22x%22%3A{x}%2C%22y%22%3A{y}%7D%7D';
+        '%7B%22verbose%22%3A%20true%2C%20%22tile%22%3A%7B%22z%22%3A{z}%2C%22x%22%3A{x}%2C%22y%22%3A{y}%7D%7D';
 
       expect(url).toContain(expectedEncoded);
     });