chore(travis): manually install yarn (#16166)
Currently, the yarn version on Travis is outdated: https://github.com/travis-ci/packer-templates/issues/478
M
Martin Staffa committed
c9691a29f2e57e085be42bf4f0bd0aacc30e6400
Parent: 9b6c154
Committed by GitHub <noreply@github.com>
on 8/11/2017, 1:29:21 PM