Worked on stabilizing and improving the test suite for the babelfish_extensions repository, focusing on database testing and SQL. Addressed a specific issue with the babel_index_nulls_order_before_15_5 test by correcting numeric values and index names in the test output, ensuring accurate validation of index handling for null values prior to version 15.5. The approach involved careful analysis of test expectations and outputs, leading to improved CI reliability and more consistent test results. No new features were released during this period, with efforts concentrated on maintenance and correctness. Utilized SQL and database testing methodologies to enhance test accuracy and reliability.