fixed frontend test

frontend/src/components/RestaurantCard/RestaurantCard.component.test.tsx

@@ -2,17 +2,18 @@ import {render, screen} from '@testing-library/react';
 import '@testing-library/jest-dom';
 import RestaurantCard from "./RestaurantCard.tsx";
 import {RestaurantType} from "../../model/Restaurant.ts";
+import {BrowserRouter} from "react-router-dom";
 
 test('RestaurantCard component displays title of the restaurant', () => {
     const restaurant: RestaurantType = {id: "1", title: "Don Carlos", city: "Berlin"}
-    render(<RestaurantCard restaurant={restaurant}/>);
+    render(<BrowserRouter><RestaurantCard restaurant={restaurant}/></BrowserRouter>);
     const restaurantTitle = screen.getByText(/Don Carlos/i);
     expect(restaurantTitle).toBeInTheDocument();
 });
 
 test("RestaurantCard component displays the title of the restaurant as h2", () => {
     const restaurant: RestaurantType = {id: "1", title: "Don Carlos", city: "Berlin"}
-    render(<RestaurantCard restaurant={restaurant}/>);
+    render(<BrowserRouter><RestaurantCard restaurant={restaurant}/></BrowserRouter>);
     const restaurantTitle = screen.getByRole("heading", {
         level: 2,
         name: /don carlos/i
@@ -22,7 +23,7 @@ test("RestaurantCard component displays the title of the restaurant as h2", () =
 
 test("RestaurantCard component displays the city", () => {
     const restaurant: RestaurantType = {id: "1", title: "Don Carlos", city: "Berlin"}
-    render(<RestaurantCard restaurant={restaurant}/>);
+    render(<BrowserRouter><RestaurantCard restaurant={restaurant}/></BrowserRouter>);
     const restaurantCity = screen.getByText(/Berlin/i);
     expect(restaurantCity).toBeInTheDocument();
 })