During October 2024, James Coleman enhanced the reliability of schema-related tests in the schneems/rails repository by improving how type map queries are counted within the test suite. He implemented changes in Ruby on Rails to ensure that assert_queries_count accurately tracks type map queries, addressing gaps in query counting. Additionally, James stabilized schema cache tests by resetting deduplicable singleton caches before each test run, which reduced test flakiness and increased confidence in schema operations. His work focused on back end development and unit testing, delivering a more robust and predictable testing environment for schema-related features without introducing new bugs.