express: 4.16.2,
chai: 4.1.2,
chai-http: 3.0.0,
mocha: 4.0.1

(node:18804) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: Forbidden
(node:18804) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

it('should reject solution entry because no data on /api/solution POST', (done) => {
    chai.request.agent(app.server)
      .post('/api/login')
      .send({ username: 'ADMIN', password: 'password' })
      .then(() => {
            return agent.post('/api/endpoint')
                 .then((res) => {
                     res.should.have.status(200);
                     done();
                  });
       });
});

it('should reject solution entry because no data on /api/solution POST', (done) => {
    chai.request.agent(app.server)
      .post('/api/login')
      .send({ username: 'ADMIN', password: 'password' })
      .then((res) => {
            return agent.post('/api/endpoint')
       })
       .then((res) => {
         res.should.have.status(200);
         done();
       })
       .catch(err => {
         done(err);
       })
});