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

no issue
2019-02-06 18:57:57 +01:00 · 2019-02-06 18:57:57 +01:00 · 8a441a04ab
parent c9d6ffa5ab
commit 8a441a04ab
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -8,6 +8,7 @@ node_js:
 sudo: false

 cache:
+  yarn: true
  directories:
    - node_modules