Merge pull request #67 from ember-cli/NullVoxPopuli-patch-2

Update test-helper.__ext__ to have the imports at the top

Author: NullVoxPopuli

files/tests/test-helper.__ext__

@@ -1,6 +1,10 @@
 import EmberApp from '@ember/application';
 import Resolver from 'ember-resolver';
 import EmberRouter from '@ember/routing/router';
+import * as QUnit from 'qunit';
+import { setApplication } from '@ember/test-helpers';
+import { setup } from 'qunit-dom';
+import { start as qunitStart, setupEmberOnerrorValidation } from 'ember-qunit';
 
 class Router extends EmberRouter {
   location = 'none';
@@ -17,11 +21,6 @@ class TestApp extends EmberApp {
 
 Router.map(function () {});
 
-import * as QUnit from 'qunit';
-import { setApplication } from '@ember/test-helpers';
-import { setup } from 'qunit-dom';
-import { start as qunitStart, setupEmberOnerrorValidation } from 'ember-qunit';
-
 export function start() {
   setApplication(
     TestApp.create({