Update .travis.yml

.travis.yml

@@ -1,8 +1,7 @@
 language: php
 
-# For javascript behat tests we need sudo
+# For javascript behat tests we need sudo.
 sudo: true
-dist: trusty
 
 cache:
   directories:
@@ -15,11 +14,15 @@ php:
 
 addons:
   firefox: 47.0.1
- postgresql: 9.5
+  postgresql: "9.6"
   apt:
     packages:
       - openjdk-8-jre-headless
 
+services:
+  - mysql
+  - postgresql
+
 env:
   global:
     - MOODLE_BRANCH=MOODLE_39_STABLE
@@ -30,8 +33,6 @@ env:
 
 before_install:
   - phpenv config-rm xdebug.ini
-  - nvm install 14.0
-  - nvm use 14.0
   - cd ../..
   - composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^3
   - export PATH="$(cd ci/bin; pwd):$(cd ci/vendor/bin; pwd):$PATH"
@@ -47,6 +48,7 @@ script:
   - moodle-plugin-ci validate
   - moodle-plugin-ci savepoints
   - moodle-plugin-ci mustache
-  - moodle-plugin-ci grunt -t stylelint:css -t js
+  - moodle-plugin-ci grunt
+  # - moodle-plugin-ci phpdoc # Complains about missing PHPDocs when they exist in parent class.
   - moodle-plugin-ci phpunit
   - moodle-plugin-ci behat