message: run only tests inside __test__
diff: "test": "jest",
  "test-dev": "jest --watch"
  },
  + "jest": {
  + "testMatch": [
  + "**/__tests__/**/*.js?(x)"
  + ]
  + },
  "devDependencies": {
  "autoprefixer": "^7.1.4",
  "babel-core": "^6.26.0",
  