fix(tests): migrate chai v5, lint

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 86.36364% with 3 lines in your changes missing coverage. Please review.

Project coverage is 98.98%. Comparing base (6aac3f1) to head (62a484e). Report is 2 commits behind head on master.

Files	Patch %	Lines
packages/tests/src/setup.ts	86.36%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #106 +/- ## ======================================= Coverage 98.98% 98.98% ======================================= Files 39 39 Lines 13381 13381 Branches 3292 3319 +27 ======================================= Hits 13245 13245 Misses 136 136 ```

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