use es6 in basic fixture

yyx990803 · yyx990803 · commit 64e040192e6b · 2016-06-15T19:04:33.000-04:00
diff --git a/test/fixtures/basic.vue b/test/fixtures/basic.vue
@@ -3,7 +3,7 @@
 </template>
 
 <script>
-module.exports = {
+export default {
   data () {
     return {
       msg: 'Hello from Component A!'
