We use it with a wrapper[1] for continuous testing of an operating system[2]. The wrapper will perform the installation process as users do, then run the testsuite and upload the results. It's nice because it lets us catch regressions in the installation process, too.

[1] - https://www.gson.org/netbsd/anita/

[2] - http://releng.netbsd.org/test-results.html