Henrich Zrnco focused on stabilizing authorization system tests in the k-wall/kroxylicious repository, addressing reliability issues in the continuous integration pipeline. He resolved a bug related to admin client configuration propagation, ensuring that test environments accurately reflected production scenarios. By removing unused test code and introducing a temporary configuration store path, Henrich streamlined the test scaffolding and enabled more consistent admin client calls during system testing. Working primarily with Java and Kafka, he improved the maintainability and reliability of the testing framework. His targeted changes reduced test flakiness and contributed to a more robust and predictable CI process for the team.