Here is the code:

var assert = require("assert");
var superagent = require("superagent");
var should = require("should");
var expect = require('expect');
var chai = require('chai');
var chaiHttp = require('chai-http');
var request=require('request');

describe('creating an Incident', function() {

    it('should pass the parameters needed for creating an Incident', function(done) {

superagent
      .post('http://localhost:9001/incident/create' )
       .send({user: 'user123',password: 'pass123'}) //authorization details

      .set('Accept', 'application/json')  //headers
      .set('Content-Type', 'application/json')  //headers

      .send({ Name:'MyIncident', orderId:'12340508'}) //JSON parameters to be passed for creating an incident.

      .end(function(err, res) {

        expect(200,done); //Status code
             if (err) {
               throw err;
                     }
              else {
               res.should.have.status(400);
               done();
                  }
         });
    });

});