Update README showing test.Err

[FollowTheProcess]

Description

Motivation and Context

Closes #

How Has This Been Tested?

Checklist

• [ ] I have updated the documentation if needed.
• [ ] I have updated the tests if needed.

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (52b38de) 100.00% compared to head (98c297b) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 1 1 Lines 55 55 ========================================= Hits 55 55 ```

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