Worked on the camunda/camunda repository to address a critical issue affecting the reliability of automated testing. Focused on stabilizing the test suite by correcting the database authentication password used during test runs, which previously caused authentication failures and disrupted continuous integration workflows. Applied disciplined debugging and targeted code changes in Java, emphasizing database management and robust testing practices. The fix improved credential hygiene and ensured consistent access to the test database, reducing debugging time and eliminating flaky test failures. No new user-facing features were released during this period, as efforts centered on enhancing the stability and reliability of the testing infrastructure.