- Cleaned up the internal code of the "list" command and added a few unit tests.
- Added integration tests for the "test" command that focus mostly on the behavior of the "test" command itself. There is still a need for full integration tests that validate the execution of the test cases themselves and their cleanup, and these will be tricky to write.
- Changed atf-c, atf-c++ and atf-sh to show a warning when a test program is run by hand. Users should really be using atf-run to execute the tests, or otherwise things like isolation or timeouts will not work (and they'll conclude that atf is broken!).
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