[comp datarouter] Component Integration Test completion

[arsibo]

What

Complete the Component Integration Test (wp__verification_comp_int_test) for the component datarouter: add a formal document:: with :realizes: wp__verification_comp_int_test to existing test files. Integration testing verifies the component architecture and requirements.

How

Process step: wf__verification_comp_int_test
Existing artifact: [score/test/component/datarouter/](score/test/component/datarouter/)

Definition of Done

All criteria of the Verification Guideline are met.

Template & Folder Structure

• Template: Module Template – Overview
• Folder: score/<component>/tests/ – see Module Folder Structure

Please apply the linked template and folder structure to ensure consistency across the S-CORE project.