message: Test with node 8 and 9.
diff: @@ -19,13 +19,13 @@ env:
  matrix:
  exclude:
  - env: TEST_COMMAND="npm run test:integration" RUN_SAUCE_TESTS=true
  - node_js: '6'
  + node_js: '8'
  - env: TEST_COMMAND="npm run test:integration" SKIP_REMOTE_BROWSERS=true
  node_js: '9'
  language: node_js
  node_js:
  -- '6'
  -- '9'
  +- '8'
  +- '9' # TODO(https://github.com/Polymer/tools/issues/280): update to node 10
  install:
  - npm install
  - npm run bootstrap
  