add initial tests for killable_events

[NeonJarbas]

test skill used - https://github.com/OpenVoiceOS/skill-abort-test

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (dev@fb16e80). Click here to learn what that means.
The diff coverage is n/a.

@@          Coverage Diff          @@
##             dev     #24   +/-   ##
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  Coverage       ?   0.00%           
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  Files          ?      25           
  Lines          ?    1520           
  Branches       ?       0           
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  Hits           ?       0           
  Misses         ?    1520           
  Partials       ?       0           

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