Fix npm test as we don't have any test

package.json

@@ -30,7 +30,7 @@
   },
   "scripts": {
     "build": "rm -rf dist/ && BUILD_ENV=build ./node_modules/.bin/webpack --bail --display-error-details",
-    "test": "$npm_package_options_mocha \"src/**/__tests__/*-test.js\""
+    "test": "exit 0"
   },
   "options": {
     "mocha": "./node_modules/.bin/mocha --require mocha --compilers js:babel-register --reporter spec"