(chore) Make Travis notify you only when builds fail

notlmn · notlmn · commit 0b52b7c29e60 · 2018-12-28T01:19:05.000+05:30
diff --git a/.travis.yml b/.travis.yml
@@ -2,5 +2,11 @@ dist: trusty
 language: node_js
 node_js:
   - "10"
+
 script:
   - npm run lint
+
+notifications:
+  email:
+    on_success: never
+    on_failure: always
