test - integration - syntax - prefer const

test/integration/index.js

@@ -1,18 +1,13 @@
-var fs = require('fs')
-var path = require('path')
-var browserify = require('browserify')
-var tests = fs.readdirSync(path.join(__dirname, 'lib'))
-var bundlePath = path.join(__dirname, 'bundle.js')
+const fs = require('fs')
+const path = require('path')
+const browserify = require('browserify')
+const tests = fs.readdirSync(path.join(__dirname, 'lib'))
+const bundlePath = path.join(__dirname, 'bundle.js')
 
-var b = browserify()
+const b = browserify()
 
-// Remove old bundle
 try {
-  // if (fs.existsSync(bundlePath)) {
-  //   fs.unlinkSync(bundlePath)
-  // }
-
-  var writeStream = fs.createWriteStream(bundlePath)
+  const writeStream = fs.createWriteStream(bundlePath)
 
   tests.forEach(function (fileName) {
     b.add(path.join(__dirname, 'lib', fileName))