refactor: minor improvement to fix coverage report status

[xushiyan]

Description

Minor code improvement to make main branch cov report green.

150

How are the changes test-covered

• [ ] N/A
• [x] Automated tests (unit and/or integration tests)
• [ ] Manual tests
  • [ ] Details are described below

[codecov[bot]]

Codecov Report

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

Project coverage is 90.64%. Comparing base (abb3e63) to head (640fc8f). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #173 +/- ## ========================================== + Coverage 90.44% 90.64% +0.20% ========================================== Files 19 19 Lines 973 973 ========================================== + Hits 880 882 +2 + Misses 93 91 -2 ```

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