google / openhtf / 1754

62%

Pull #745

travis-ci

Fix extra exception when plug init fails.

If there is an exception during plug initialization, the test record
outcome is never set for the console printing code in
_excecute_test_teardown to be called properly.

This required a few other changes:
* In Phase Executor, don't set the stopping event if there is no
current phase running.
* In Test State, make sure _finalize always sets the test record
outcome.
* Add unit tests.

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