Worked on enhancing test readability and coverage in the pytest-dev/pytest repository by improving assertion diffs for set-like dictionary views. Focused on making failure messages clearer when comparing dict.items(), dict.keys(), and dict.values() by updating the assertion logic to treat these views as set-like objects using collections.abc.Set. Developed and integrated regression tests to ensure that missing items are accurately displayed in assertion failures, supporting more reliable test diagnostics. Utilized Python and pytest, with an emphasis on robust testing practices. The work addressed nuanced behaviors in dictionary view comparisons, contributing to more transparent and maintainable test outcomes for developers.