Make Webpack test config run in development mode

Author: jakezatecky

webpack.test.config.js

@@ -1,7 +1,7 @@
 const path = require('path');
 
 module.exports = {
-    mode: 'production',
+    mode: 'development',
     output: {
         filename: 'index.js',
         libraryTarget: 'umd',