add 312 in tests

[codecov-commenter]

Codecov Report

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

Project coverage is 96.91%. Comparing base (591ce9e) to head (fdbde71).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #178 +/- ## ======================================= Coverage 96.91% 96.91% ======================================= Files 9 9 Lines 1037 1037 ======================================= Hits 1005 1005 Misses 32 32 ```

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