fix: Test script

Author: finom

package.json

@@ -5,7 +5,7 @@
   "description": "A browser version of ESLint",
   "main": "index.js",
   "scripts": {
-    "test": "node test && npm run lint || echo 'Errored'",
+    "test": "npm run lint",
     "install-all": "npm -v && npm i && lerna exec --concurrency 1 -- npm i",
     "build-eslint": "rimraf eslint && npm run clone-eslint && npm run webpackify-eslint && cd eslint && npm install --production",
     "clone-eslint": "git clone https://github.com/eslint/eslint.git eslint",