The speaker talks about open QA testing of a complex graphical desktop environment, specifically GNOME OS. The speaker explains that GNOME is an old project with technical challenges due to its large number of individual modules and the need for integration testing. They introduce OpenQA, a test tool developed by SUSE, and explain how it is set up for GNOME. The speaker demonstrates the OpenQA web interface and explains how the tests work, using screenshot matching and Perl-based test scripts. They also discuss the benefits and limitations of OpenQA and encourage people to get involved in the GNOME initiative. Overall, the talk highlights the importance of integration testing and the potential of using OpenQA for this purpose.