Improve code quality by increasing code coverage.

# Improve code quality by increasing code coverage

Updated: 2023-02-09 9:58 PM EST

* **Version**: All
* **Platform**: Linux 5.15.79.1-microsoft-standard-WSL2 Wed Nov 23 01:01:46 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

Increase the code quality and reliability of the code coverage tool by increasing code coverage for C8.
[Current coverage for C8](https://gist.github.com/8ee46c27802ab6641e45c448d91aee22)

Dated: [Mon Jan 30 12:15:22 2023 -0500](https://gist.github.com/8ee46c27802ab6641e45c448d91aee22)

Commit: [2a3d0c7347c77165962de8deca214b077c9166e2](https://github.com/bcoe/c8/commit/2a3d0c7347c77165962de8deca214b077c9166e2)


## Tasks

| Task | File | Statements | Branch | Function | Line | PR |
|:----:|------|:----------:|:------:|:--------:|:----:|:--:|
| :x: | bin/c8.js | 96.15% | 100% | 100% | 96.15% | - |
| :x: | lib/is-cjs-esm-bridge.js | 90% | 62.5% | 100% | 90% | #451 |
| :x: | lib/parse-args.js | 98.16% | 75% | 100% | 98.16% | #447, #436 |
| :x: | lib/report.js | 95.58% | 91.66% | 100% | 95.58% | #451 |
| :x: | lib/source-map-from-file.js | 91% | 71.42% | 100% | 91% | #453 |
| :x: | lib/commands/check-coverage.js | 100% | 92.85% | 100% | 100% | - |