mocha, chai, Uncaught AssertionError: expected {} to equal {} + expected - actual
<pre><code>  it('GET /customers/ with wrong id', (done) =&gt; {
    request
      .get(`/customers/${wrongId}`)
      .end((err, res) =&gt; {
        expect(res.body).to.equals({});
        expect(res).to.have.status(404);
        done();
      });
  });
</code></pre>

<p>1) Customers CRUD GET /customers/ with wrong id:</p>

<pre><code>  Uncaught AssertionError: expected {} to equal {}
  + expected - actual
</code></pre>