Enabled yarn caching in .travis.yml (#10452)

no issue
This commit is contained in:
cl1ent 2019-02-06 18:57:57 +01:00 committed by Katharina Irrgang
parent c9d6ffa5ab
commit 8a441a04ab

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@ -8,6 +8,7 @@ node_js:
sudo: false
cache:
yarn: true
directories:
- node_modules