test: added tests for getRepositoryOrganization and getRepositoryName…

[elefrodi]

…, changed tests for getPullRequestId, fix: changed WebhookUtil methods to return exceptions and not strings #301

Pull Request

Description

When an error occurs in some functions in LPVSWebhookUnit , an illegalArgumentException is now thrown instead of a string being returned. Unit tests for these functions also created/modified.

Fixes # (issue)
I resolved issue #301

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Code cleanup/refactoring
• Documentation update
• This change requires a documentation update
• CI system update
• Test Coverage update

Testing

I basically added tests so i don't think i can write something in this section.

Test Configuration:

• Java: v11
• LPVS Release: v1.2.0

Checklist:

• [✓ ] My code follows the style guidelines of this project
• My code meets the required code coverage for lines (90% and above)
• My code meets the required code coverage for branches (80% and above)
• [ ✓] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [✓ ] My changes generate no new warnings
• [✓ ] I have added tests that prove my fix is effective or that my feature works
• [✓ ] New and existing unit tests pass locally with my changes

[o-kopysov]

@elefrodi Please sign your commit and fix code style https://github.com/Samsung/LPVS/actions/runs/7060287275/job/19219604425?pr=335

[elefrodi]

Can you please explain to me how to do that?

[o-kopysov]

Can you please explain to me how to do that?

First of all, please apply the next code style fix:
code_style.patch

Next, you have unit tests failures. Please check and fix:
https://github.com/Samsung/LPVS/actions/runs/7060287285/job/19219604649?pr=335#step:6:2895

Regarding signing commits, please add "Signed-off-by: ...." as here 58644dc