* Clean up TE error handling, wrap sigalrm handler
* Preserve error detail on AnsibleAction and Connection exceptions.
* Remove multiple layers of unreachable or redundant error handling.
* Wrap manual alarm signal/timeout handling into a context manager, add tests.
Co-authored-by: Matt Clay <matt@mystile.com>
* update error message check in test
* update test timeout message assertions
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Co-authored-by: Matt Clay <matt@mystile.com>