fix(jury-voting): update routes.test.ts import to match apiRouter refactoring

dhive/Jury-Voting/server/__tests__/routes.test.ts

@@ -2,7 +2,7 @@ import { describe, it, expect, beforeEach, afterAll } from 'vitest';
 import express from 'express';
 import fs from 'fs';
 import path from 'path';
-import { registerRoutes } from '../routes.js';
+import { apiRouter } from '../routes.js';
 
 const DATA_DIR = path.join(process.cwd(), 'server', 'data');
 const SESSION_FILE = path.join(DATA_DIR, 'session.json');
@@ -12,7 +12,7 @@ const BACKUP_FILE = path.join(DATA_DIR, 'session.json.bak');
 function createApp() {
   const app = express();
   app.use(express.json());
-  registerRoutes(app);
+  app.use(apiRouter);
   return app;
 }