Testing

• npm run test - run unit test
• npm run test:browserstack - run browser test
  • npm run test:browserstack:chrome
  • npm run test:browserstack:ie
  • npm run test:browserstack:edge
  • npm run test:browserstack:firefox
  • npm run test:browserstack:safari
• npm run test:chrome - run browser test in chrome
• npm run test:phantomjs - run browser test in phantomjs