Add API Tests (Postman Framework, Azure Open AI) generated by RoostGPT

[harishagrawal]

Please pull these awesome changes in!
Test Name              - boj-openbanking
AI Type                - Azure Open AI
AI Model               - Inference
Test Type              - Add API Tests (Postman Framework, Azure Open AI)
Use Type               - cli
Test Framework         - Postman
HTTP Regex Endpoint    - /v1/{payment-service}/{payment-product}/{paymentId}
HTTP verbs for testing - DELETE