REFACTOR: Migrate Adapter tests to Swift Testing

[codecov[bot]]

Codecov Report

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

Project coverage is 89.44%. Comparing base (5e14f08) to head (a4f8fa6). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #195 +/- ## ======================================= Coverage 89.44% 89.44% ======================================= Files 204 204 Lines 2860 2860 ======================================= Hits 2558 2558 Misses 302 302 ```

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