getArticlesTest.txt

import chai from 'chai';
import chaiHttp from 'chai-http';
import app from '../../../server';

describe('Get no article', () => {
  it('should not get an article that does not exist', async () => {
    const res = await chai.req(app)
      .get('/api/v1/articles/234');
    expect(res.status).to.be.equal(404);
    expect(res.body.message).to.be.deep.equals('Article not found');
  });
});

@johnson and @marcdomain thank you for the feedback, I will implement them right away.