Implement abstract methods of listener on test

[estringana]

Description

Motivation

Additional Notes

Describe how to test your changes

Readiness checklist

• Unit tests have been updated and pass
• If known, an appropriate milestone has been selected
• All new source files include the required notice

Release checklist

• The CHANGELOG.md has been updated

[codecov-commenter]

Codecov Report

Merging #239 (ebcc765) into master (67feca5) will decrease coverage by 10.57%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #239       +/-   ##
===========================================
- Coverage   63.92%   53.35%   -10.57%     
===========================================
  Files          88       63       -25     
  Lines        5655     2369     -3286     
  Branches     1794     1056      -738     
===========================================
- Hits         3615     1264     -2351     
+ Misses        969      417      -552     
+ Partials     1071      688      -383     

Flag	Coverage Δ
extension	?
helper	53.35% <ø> (ø)

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see 25 files with indirect coverage changes

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