mocha mock does not work

mocha mock does not work

    it('needs auth to be passed in', (done) => {
      const usedMock = nock('http://example.com/v1', {
        reqheaders: {
          "Accept": "application/json",
          "Content-Type": "application/json",
          "Authorization": `Basic ${btoa(auth)}`
        }
      }).post('/user').reply(200, jsonResponse);

      const storedAuthMock = nock('http://example.com/v1', {
        reqheaders: {
          "Accept": "application/json",
          "Content-Type": "application/json",
          "Authorization": `Basic ${btoa("stored-user:password")}`
        }
      }).post('/merchant').reply(200, jsonResponse);

      const promise = apiFetch.postQuick({
        endpoint: "merchant",
        auth
      });

      promise
        .then((data) => {
          expect(data).not.to.deep.equal({ "msg": "Hello world!" });
        })
        .catch((err) => done(err));

      expect(storedAuthMock.isDone).to.be.false;
      usedMock.done();
      done();
    });