version: 2
jobs:
   build:
     docker:
       - image: circleci/node:7.10.0
     steps:
       - checkout
       - run: yarn install
       - run: yarn lint
       - run: yarn flow
       - run: yarn add react@16.0.0
       - run: yarn add react-native@0.49.3
       - run: yarn flow test

version: 2
jobs:
   build:
     docker:
       - image: circleci/node:7.10.0
     steps:
       - checkout
       - run: yarn install
       - run: yarn lint
       - run: yarn flow
       - run: yarn add react@16.0.0
       - run: yarn add react-native@0.49.3
       - run: yarn test

Fix issue in test step
Fix issue in test step
