Reduce output from frontend tests (#5023)

frontend/vite.config.ts

@@ -91,6 +91,7 @@ export default defineConfig(({ mode }) => {
     test: {
       environment: "jsdom",
       setupFiles: ["vitest.setup.ts"],
+      reporters: "basic",
       exclude: [...configDefaults.exclude, "tests"],
       coverage: {
         reporter: ["text", "json", "html", "lcov", "text-summary"],

frontend/vitest.setup.ts

@@ -13,7 +13,7 @@ vi.mock("react-i18next", async (importOriginal) => ({
 }));
 
 // Mock requests during tests
-beforeAll(() => server.listen());
+beforeAll(() => server.listen({ onUnhandledRequest: "bypass" }));
 afterEach(() => {
   server.resetHandlers();
   // Cleanup the document body after each test