Run tests just on the newest & oldest supported Node version to save time

mgol · mgol · commit a689df520557 · 2018-04-29T21:59:09.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,6 @@ language: node_js
 sudo: false
 node_js:
   - '6'
-  - '8'
   - '10'
 env:
   global:
