Enable mysql service

Author: Philo Hamel

.travis.yml

@@ -1,5 +1,8 @@
 language: php
 
+services:
+  - mysql
+
 php:
   - 7.0
   - 7.1
@@ -41,7 +44,6 @@ branches:
 before_script:
   - git clone -b master https://github.com/Oefenweb/travis --depth 1 ../travis
   - travis_wait ../travis/before_script.sh
-  - mysql -u root -e 'CREATE DATABASE cakephp_test;'
 
 script:
   - ../travis/script.sh