message: using npm install again
diff: @@ -4,8 +4,8 @@ language: node_js
  node_js:
  - '9'
  install:
  -- npm i -g npm@latest
  -- npm ci
  +# - npm i -g npm@latest
  +- npm install
  before_script:
  - git config --global user.email "travis@travis-ci.org"
  - git config --global user.name "Travis CI"
  