Add Node.js 13 back for testing

szmarczak · web-flow · commit c04797a69772 · 2020-02-08T17:10:36.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - '13'
   - '12'
   - '10'
 after_success:
