test/setup-tests.js
'use strict';
require('babel-register');
require('babel-polyfill');
require('react-native-mock/mock');
let chai = require('chai');
let chaiAsPromised = require('chai-as-promised');
let chaiImmutable = require('chai-immutable');
chai.expect;
chai.use(chaiImmutable);
chai.use(chaiAsPromised);
global.expect = chai.expect;