Vue it is

I know, the 18th front-end change; I have a feeling there won't be a
19th.

src/app/test/e2e/specs/test.js

@@ -0,0 +1,19 @@
+// For authoring Nightwatch tests, see
+// http://nightwatchjs.org/guide#usage
+
+module.exports = {
+  'default e2e tests': function (browser) {
+    // automatically uses dev Server port from /config.index.js
+    // default: http://localhost:8080
+    // see nightwatch.conf.js
+    const devServer = browser.globals.devServerURL
+
+    browser
+      .url(devServer)
+      .waitForElementVisible('#app', 5000)
+      .assert.elementPresent('.hello')
+      .assert.containsText('h1', 'Welcome to Your Vue.js App')
+      .assert.elementCount('img', 1)
+      .end()
+  }
+}