Add tests on node 12 & 13

ichiriac · web-flow · commit 4e93aa368c61 · 2021-04-04T16:37:56.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - '10'
+  - '12'
+  - '13'
 cache:
   bundler: true
   directories:
