Worked on maintaining and improving the test infrastructure for the formio/formio.js repository, focusing on code quality and reliability rather than new feature development. Addressed a persistent issue in the unit testing suite by adding a missing 'metadata' object to the test data structure, ensuring that tests accurately reflected the expected data format and preventing failures caused by undefined properties. This targeted JavaScript fix reduced flaky tests in continuous integration and improved alignment between test coverage and code expectations. The work emphasized careful, low-risk changes to core testing systems, supporting faster release readiness and ongoing stability for the project’s codebase.