## Summary
Fixes incorrect usage of act for assertions. Informed from
https://buildkite.com/elastic/kibana-pull-request/builds/254649#019369dd-02e4-4d1e-9c45-face1da80884
### Before
<img width="1239" alt="Screenshot 2024-11-27 at 10 46 23"
src="https://github.com/user-attachments/assets/89fb0142-add8-401d-b270-d9bc8a3cbe23">
## After
<img width="1052" alt="Screenshot 2024-11-27 at 10 46 34"
src="https://github.com/user-attachments/assets/61f4d278-676c-4761-a003-1e22714cf5b7">
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(cherry picked from commit 6e5f5ed)