> I also need to understand why the test case seems to work in a nexus7
It doesn't, it just fails before it gets to the mediaplayer-app tests because on the nexus7 camera-app is totally dysfunctional (which your test detects, and rightfully fails :) ). See comment 15.
> To summarize, one problem has been found, but not the whole problem.
Yes, there are obviously bugs in the actual apps, but I didn't look into them. Those should get new bug reports against the apps, these are unrelated to autopilot.
> I also need to understand why the test case seems to work in a nexus7
It doesn't, it just fails before it gets to the mediaplayer-app tests because on the nexus7 camera-app is totally dysfunctional (which your test detects, and rightfully fails :) ). See comment 15.
> To summarize, one problem has been found, but not the whole problem.
Yes, there are obviously bugs in the actual apps, but I didn't look into them. Those should get new bug reports against the apps, these are unrelated to autopilot.