“Automate as much as possible and gain speed”. Dream? Reality! Until the discovery that delivering a new version of the software takes shorter than upgrading the installed systems in the field. Being confident in the automated tests, in a multi-level Continuous Integration System one starts running every test at each Quality Gate. The next shock comes then: tests impact each other and start failing sporadically. István shares with you the traps and the lessons learned, the need to stop or even step back, simplify until the root causes become visible. And then new gaps become visible...