Work around Travis errors by switching to sudo.

XhmikosR · XhmikosR · commit 2f9d4d8ab251 · 2018-01-11T10:16:12.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
-sudo: false
+sudo: required
 dist: trusty
+addons:
+  chrome: stable
 language: node_js
 git:
   depth: 3
