Added unit tests for "parser.js" and "util.js"

build/webpack.test.config.js

@@ -0,0 +1,14 @@
+// This is the webpack config used for unit tests.
+
+var webpack = require('webpack')
+var merge = require('webpack-merge')
+var baseConfig = require('./webpack.base.config')
+
+var webpackConfig = merge(baseConfig, {
+  devtool: '#inline-source-map'
+})
+
+delete webpackConfig.entry
+delete webpackConfig.output
+
+module.exports = webpackConfig