Do not babelify in node integration tests

Author: felixhammerl

package.json

@@ -23,7 +23,7 @@
     "test": "npm run lint && npm run unit && npm run integration",
     "unit": "npx mocha './src/*-unit.js' --reporter spec --require babel-register --require babel-polyfill testutils.js",
     "integration": "npm run integration-ws && npm run integration-node",
-    "integration-node": "NODE_TLS_REJECT_UNAUTHORIZED=0 npx mocha './test/node/node-integration.js' --reporter spec --require babel-register --require babel-polyfill testutils.js",
+    "integration-node": "NODE_TLS_REJECT_UNAUTHORIZED=0 npx mocha './test/node/node-integration.js' --require testutils.js",
     "integration-ws": "npm run build && npx webpack --config webpack.config.test.js -p && npx wdio wdio.conf.js",
     "integration-chrome": "npm run build && cp node_modules/chai/chai.js node_modules/mocha/mocha.js node_modules/mocha/mocha.css test/chrome/ && npx webpack --config webpack.config.chrome.js && npx babel-node test/chrome/run.js"
   },

test/node/node-integration.js

@@ -1,6 +1,6 @@
-import echo from '../echo'
-import TCPSocket from '../../'
-import { PORT_NET, PORT_STARTTLS, PORT_TLS } from '../constants'
+const echo = require('../echo')
+const TCPSocket = require('../../').default
+const { PORT_NET, PORT_STARTTLS, PORT_TLS } = require('../constants')
 
 const { startServers, stopServers } = echo()
 

testutils.js

@@ -1,5 +1,5 @@
-import { expect } from 'chai'
-import sinon from 'sinon'
+const { expect } = require('chai')
+const sinon = require('sinon')
 
 global.expect = expect
 global.sinon = sinon