Performingsystem integration testingmore frequently helps identify integration issues early, reducing the cost and time associated with fixing problems discovered later in the development cycle. Continuous integration testing is a core practice in Agile and Disciplined Agile that ensures changes are regularly validated, promoting a smoother integration process. Conducting integration tests more often allows the team to catch defects early and maintain a stable and reliable build.
Options B (adding team members) and C (testing only at the end) are not best practices as they do not address the root cause of the problem. Option D (finding a way to do less integration testing) contradicts Agile principles, which emphasize frequent testing.
References:
* PMI's Disciplined Agile Senior Scrum Master (DASSM) curriculum materials.
* "Choose Your WoW! A Disciplined Agile Delivery Handbook for Optimizing Your Way of Working (WoW)", PMI.