From d8eaae02620c8a546b4a7b55ca28b8e85564746a Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Wed, 13 Jun 2018 00:34:16 -0400
Subject: [PATCH] test: fix unhandled Promise

---
 packages/@vue/cli-service/__tests__/Service.spec.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/@vue/cli-service/__tests__/Service.spec.js b/packages/@vue/cli-service/__tests__/Service.spec.js
index c3d0689f0..06a992648 100644
--- a/packages/@vue/cli-service/__tests__/Service.spec.js
+++ b/packages/@vue/cli-service/__tests__/Service.spec.js
@@ -147,6 +147,9 @@ test('api: defaultModes', () => {
 
   createMockService([plugin1], false /* init */).run('foo')
 
+  delete process.env.NODE_ENV
+  delete process.env.BABEL_ENV
+
   const plugin2 = {
     id: 'test-defaultModes',
     apply: api => {