It seems that some time ago the images have been changed which lead to a breaking change. Previously the PHP language images have included MySQL as well but now this is gone.
- 28 days ago: everything fine https://travis-ci.org/FriendsOfTYPO3/tt_address/builds/524321648
- 3 days ago: functional tests with DB going red: https://travis-ci.org/FriendsOfTYPO3/tt_address/builds/534776720
- Fixing issue by using services: mysql: https://travis-ci.org/FriendsOfTYPO3/tt_address/builds/536174035
Did I miss any anouncement or was this not planned at all?
Thanks for your services and support!