Feature/custom test suite

[Hiepler]

Description

Fixes #(issue)

Type of Change

• 🐛 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)
• 📚 Documentation update
• 🎨 Style/UI change
• ♻️ Refactoring (no functional changes)
• 🧪 Test update
• 🔧 Configuration change

Checklist

Code Quality

• My code follows the project's coding standards (Biome)
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings

Testing

• 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
• I have tested my changes in multiple browsers (if applicable)

Documentation

• I have updated the documentation accordingly
• I have updated the README if needed

Accessibility (if UI changes)

• My changes are keyboard accessible
• My changes work with screen readers
• Color contrast meets WCAG 2.2 AA standards

Screenshots (if applicable)

Additional Notes

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