tests: upgrade travis node.js version from 10 to 12

msand · msand · commit 7370225005a6 · 2019-10-23T17:51:58.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@ sudo: false
 
 language: node_js
 node_js:
-  - '10'
+  - '12'
 
 script:
   - npm test
