os:
    - linux
language: node_js
node_js:
  - "6.10.0"
before_install:
    - npm install -g npm
    - npm install -g yarn
install:
    - yarn install
    - yarn link
    - yarn test

os:
    - linux
language: node_js
node_js:
  - "6.10.0"
before_install:
    - npm install -g npm
    - npm install -g yarn
install:
    - yarn install
    - yarn link
    - gulp test

Use gulp test in Travis, instead of yarn test
Use gulp test in Travis, instead of yarn test
