attempting to fix ci

build/build.js

@@ -1,5 +1,4 @@
 var fs = require('fs')
-var path = require('path')
 var zlib = require('zlib')
 var rollup = require('rollup')
 var uglify = require('uglify-js')

package.json

@@ -19,7 +19,7 @@
     "test:unit": "karma start build/karma.unit.config.js",
     "test:cover": "karma start build/karma.cover.config.js",
     "test:e2e": "npm run build -- vue.js && node test/e2e/runner.js",
-    "test:ssr": "npm run build -- vue.common.js,compiler.common.js,server-renderer.js && jasmine JASMINE_CONFIG_PATH=test/ssr/jasmine.json"
+    "test:ssr": "npm run build -- vue.common.js,compiler.common.js,server-renderer.js && BABEL_ENV=development jasmine JASMINE_CONFIG_PATH=test/ssr/jasmine.json"
   },
   "repository": {
     "type": "git",