es2015-ify source

test/basic.spec.js

@@ -1,5 +1,6 @@
-describe('basic', function () {
-  it('does something', function () {
+describe('basic', () => {
+  it('does something', () => {
     console.log('tests have yet to be written')
+    expect(2).to.equal(3)
   })
 })

test/index.js

@@ -1,5 +1,2 @@
-// test/index.js
-// require all test files using special Webpack feature
-// https://webpack.github.io/docs/context.html#require-context
-var testsContext = require.context('.', true, /\.spec$/)
+const testsContext = require.context('.', true, /\.spec$/)
 testsContext.keys().forEach(testsContext)