2024/03 - Update integration tests

The integration tests in test directory are really outdated, we are still allowing failures in pipeline, as there is no QA assigned currently to the RAFS project, we need to maintain those in best effort, would suggest to provide very basic smoke test, which covers:

• Adjust automatically if data changes in schemas/ref-data, took new values without updating hole data/schemas inside /test.
• Reduce number of tests => only use the basic core tests as reference instead of using complete suite of tests.
• Think about possibility of using newman/postman collections instead of pytest.