Add tests for the hookup plugin

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 81.57%. Comparing base (c1a2465) to head (7216c37).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #681 +/- ## ========================================== + Coverage 81.45% 81.57% +0.12% ========================================== Files 280 281 +1 Lines 19810 19859 +49 Branches 3128 3129 +1 ========================================== + Hits 16136 16200 +64 + Misses 3417 3402 -15 Partials 257 257 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.