Fix non-deterministic S3 test failure.

[aemous]

Description of changes:

• Replace a hard-coded part number with mock.ANY to prevent non-deterministic test failures.

Description of tests:

• Ran the updates test locally and observed it passes.

Relevant links:

• v2 PR

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

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

Project coverage is 0.08%. Comparing base (52985a2) to head (f216d4a). Report is 72 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #9069 +/- ## ========================================== - Coverage 0.08% 0.08% -0.01% ========================================== Files 210 210 Lines 16952 16955 +3 ========================================== Hits 14 14 - Misses 16938 16941 +3 ```

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