Fix: Reanme duplicate function names in unittests
- [ ] xref https://github.com/pandas-dev/pandas/issues/48855 - one of many style checks, still needs work.
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).

Hi @MarcoGorelli,

I don't get how to rerun the failed action... Do I have permission to re-trigger?

-- Flo it's unrelated, don't worry about it