Update user.test.js

Author: Christiaan Maks

server/tests/user.test.js

@@ -1,22 +1,10 @@
-import mongoose from 'mongoose';
 import request from 'supertest-as-promised';
 import httpStatus from 'http-status';
 import chai, { expect } from 'chai';
 import app from '../../index';
 
 chai.config.includeStack = true;
 
-/**
- * root level hooks
- */
-after((done) => {
- // required because https://github.com/Automattic/mongoose/issues/1251#issuecomment-65793092
- mongoose.models = {};
- mongoose.modelSchemas = {};
- mongoose.connection.close();
- done();
-});
-
 describe('## User APIs', () => {
  let user = {
  username: 'KK123',