test(*): ignore coverage of test-utils directory (#1313)

# Overview

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    A clear and concise description of what this pr is about.
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For @suspensive/react's test coverage 100%

## PR Checklist

- [x] I did below actions if need

1. I read the [Contributing
Guide](https://github.com/toss/suspensive/blob/main/CONTRIBUTING.md)
2. I added documents and tests.

codecov.yml

@@ -17,6 +17,7 @@ comment:
 ignore:
   - '**/*.test-d.*'
   - '**/*.bench.*'
+  - '**/test-utils/*'
 
 component_management:
   individual_components: