Fix missing xmllint

valendesigns · valendesigns · commit 6503c7b36a47 · 2019-05-09T01:12:57.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,8 @@ language: php
 
 sudo: false
 
+dist: precise
+
 notifications:
   email:
     on_success: never
@@ -13,8 +15,12 @@ cache:
     - vendor
     - $HOME/phpunit-bin
 
+addons:
+  apt:
+    packages:
+    - libxml2-utils
+
 php:
-  - 5.6
   - 7.2
 
 env:
