fix(test read): stop group timer while testing

[codecov-commenter]

Codecov Report

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

Project coverage is 76.04%. Comparing base (a872ad3) to head (12d53fe). Report is 4 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2099 +/- ## ========================================== - Coverage 76.07% 76.04% -0.03% ========================================== Files 104 104 Lines 18802 18818 +16 ========================================== + Hits 14304 14311 +7 - Misses 4498 4507 +9 ```

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