Merge branch 'winh-test-bundle-duplicate-vue-imports' into 'master'

Remove duplicate Vue import from test_bundle.js

See merge request !2258

spec/javascripts/test_bundle.js

@@ -4,14 +4,12 @@ import _ from 'underscore';
 import 'jasmine-jquery';
 import '~/commons';
 import Vue from 'vue';
+import VueResource from 'vue-resource';
 
 const isHeadlessChrome = /\bHeadlessChrome\//.test(navigator.userAgent);
 Vue.config.devtools = !isHeadlessChrome;
 Vue.config.productionTip = false;
 
-import Vue from 'vue';
-import VueResource from 'vue-resource';
-
 Vue.use(VueResource);
 
 // enable test fixtures