message: ci: temporary work-around for Travis issue
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  PR Close
diff: language: node_js
  -sudo: false
  +# Work-around for https://github.com/travis-ci/travis-ci/issues/8836#issuecomment-356362524.
  +# (Restore `sudo: false` once that is resolved.)
  +sudo: required
  dist: trusty
  node_js:
  - '8.9.1'
  