In July 2025, Ku1551 focused on enhancing test coverage for the mybatis/mybatis-3 repository by developing an end-to-end test that verifies the choose-when fallback behavior in MyBatis. Using Java, SQL, and unit testing, they implemented a mapper interface, a dedicated test class, and an SQL script to ensure that when no conditions match in a choose statement, the logic correctly falls back to the otherwise clause. This work specifically validated the retrieval of users with ACTIVE status when no parameters are provided, demonstrating a methodical approach to verifying behavior correctness and improving the reliability of conditional SQL mapping.