fix(storybook): don't exit with error when running npm test

packages/storybook/package.json

@@ -9,14 +9,6 @@
   "author": "Jimmy Andrade <[email protected]>",
   "homepage": "https://github.com/multei/design/tree/master/packages/storybook#readme",
   "license": "ISC",
-  "main": "lib/storybook.js",
-  "directories": {
-    "lib": "lib",
-    "test": "__tests__"
-  },
-  "files": [
-    "lib"
-  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/multei/design.git"
@@ -25,8 +17,9 @@
     "build": "build-storybook",
     "build:ci": "build-storybook -c .storybook -o .out",
     "develop": "start-storybook -p 6006",
+    "pretest": "npm run build",
     "start": "npm run develop",
-    "test": "echo \"Error: run tests from root\" && exit 1"
+    "test": "echo \"@todo add tests for storybook\" && exit 0"
   },
   "bugs": {
     "url": "https://github.com/multei/design/issues"