Add babel-preset-es2015

Author: pletcher

package.json

@@ -23,6 +23,7 @@
   "homepage": "https://github.com/learn-co-curriculum/javascript-strings-lab#readme",
   "devDependencies": {
     "babel-core": "^6.11.4",
+    "babel-preset-es2015": "^6.9.0",
     "expect": "^1.20.2",
     "jsdom": "^8.5.0",
     "mocha": "^2.5.3",

test/root.js

@@ -6,13 +6,15 @@ const path = require('path');
 
 
 before(function(done) {
-  const babelResult = babel.transformFileSync(path.resolve(__dirname, '..', 'index.js'), {
-    presets: ['es2015']
-  });
+  const babelResult = babel.transformFileSync(
+    path.resolve(__dirname, '..', 'index.js'), {
+      presets: ['es2015']
+    }
+  );
 
-  //const src = path.resolve(__dirname, '..', 'index.js');
+  const html = path.resolve(__dirname, '..', 'index.html');
 
-  jsdom.env('<div></div>', [], {src: babelResult.code}, (err, window) => {
+  jsdom.env(html, [], {src: babelResult.code}, (err, window) => {
     if (err) {
       return done(err);
     }
@@ -23,4 +25,4 @@ before(function(done) {
 
     return done();
   });
-}); 
+});