[infra] Configure github actions unit test workflow

[dev-ant]

📋 Description

• Success to configure unit test workflow. But there are some problems.

💥 Problems

1. There is an issue with the test code, so I need to change it to a simple test code to test the GitHub Actions.
2. Although the modified test code can be tested using an IDE locally, it encounters No tests found error in GitHub Actions. I'm not sure what the problem is, but the test code itself isn't being discovered.
3. Therefore, I'll create a new issue to document the current problem and hope to resolve it sometime in the future.

📊 Checklist

• PR title format well e.g. [feat] Register PR
• Code has been tested
• Documentation has been updated
• Removed Any unnecessary code
• Issue and label registered

📆 Date of Pull Request

March 1st

Close #39

[github-actions]

Test Results

0 tests   0 ✅  0s ⏱️
0 suites  0 💤
0 files    0 ❌

Results for commit e843337.

♻️ This comment has been updated with latest results.