Test for rating a given article

canRate.js

const canRate = done => {
  request(app)
    .post(`/api/v1/post/${post.id}/rating`)
    .set('Authorization', `Bearer ${user.token}`)
    .send({ userId: user.id, postId: post.id, rating: 4 })
    .end((err, res) => {
      expect(res.status).toBe(201);
      expect(res.body.rating).toBeDefined();
      ratingId = res.body.rating.id;
      expect(res.body.message).toBe('Post rated successfully');
      done();
    });
};