fix: Fixed the code quality issue

[Prekshith-Microsoft]

This pull request makes minor test improvements in src/tests/services/test_orchestrator.py by updating how the orchestrator module is referenced. Instead of directly importing and referencing orchestrator, the code now uses sys.modules["orchestrator"] to access module-level variables. This change improves test reliability, especially in scenarios where module state needs to be reset or checked dynamically. No production code is affected.

Most important changes:

Test reliability and module state management:

• Replaced direct references to the orchestrator module with lookups via sys.modules["orchestrator"] for resetting the singleton and checking module-level attributes. This ensures that tests interact with the actual module instance Python is using, which is important when manipulating or inspecting module state. [1] [2] [3]## Purpose

• ...

Does this introduce a breaking change?

• Yes
• No

Golden Path Validation

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

• ...

Other Information

[github-actions]

🎉 This PR is included in version 2.4.0 🎉

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