[Advanced]: Test Advanced issue

[MonaaEid]

🧠 Advanced Contributors

This issue is intended for contributors who are already very familiar with the
Hiero Python SDK codebase and its architectural patterns.

You should feel comfortable:

• navigating multiple modules across src/
• understanding and modifying core SDK abstractions
• reasoning about API design and backwards compatibility
• updating or extending tests, examples, and documentation as needed
• making changes that may affect public-facing behavior

New developers should start with
Good First Issues or Intermediate Issues first.

🐞 Problem Description

Describe the problem here.

💡 Proposed / Expected Solution

Describe the proposed solution here.

🧠 Implementation & Design Notes

Add detailed implementation notes here.

✅ Acceptance Criteria

To merge this issue, the pull request must:

• Fully address the problem and design goals described above
• Maintain backwards compatibility unless explicitly approved otherwise
• Follow existing architectural and coding conventions
• Include comprehensive tests covering new and existing behavior
• Update relevant examples and documentation
• Pass all CI checks
• Include a valid changelog entry
• Use DCO and GPG-signed commits

📚 Additional Context, Links, or Prior Art

Optional.