ENH/TST: Add quantile & mode tests for ArrowExtensionArray
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).


32-bit test failing? > 32-bit test failing?

Unrelated, but addressed at https://github.com/pandas-dev/pandas/pull/47803 can u rebase Rebased