text: 
  'use strict';
  
  const app = require('../app.js');
  const supertest = require('supertest');
  const { expect, it } = require('@jest/globals');
  
  // this object can make mocked HTTP requests to an express exported at /app.js
  const request  = supertest(app);
  
  describe('Testing my Express Server', () => {
  
    it('Should response with a string on POST /talk', async () => {
  
      let param = 'testing 1,2,1,2';
  
      // do the things
      // let response = await request.post(`/talk?words=${param}`);
      let response = await request.post('/talk').send({
        words: param,
      });
  
      expect(response.status).toBe(200);
      expect(typeof(response.text)).toBe('string');
      expect(response.text).toBe(param);
    });
  
    it('Should respond with a string on GET /repeat', async () => {
  
      let response = await request.get('/repeat');
  
      expect(response.status).toBe(200);
      expect(typeof response.text).toBe('string');
    });
  });
  