chore: travis: match environment

FauxFaux · FauxFaux · commit e7c14bb2cc3c · 2020-01-06T09:39:32.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,11 +1,13 @@
 dist: bionic
 sudo: false
 language: node_js
+cache: npm
 
 node_js:
   - "12"
 
 addons:
+  postgresql: "9.6"
   hosts:
     - db
 
