BUG/TST: ArrowStringArray skips/xfails
- [ ] closes #xxxx
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry

This fixes `ArrowStringArray.__eq__(some_list)`, but the Series method already works so i dont think it counts as user-facing.
any user facing changes? not unless they're using ArrowStringArray directly; the Series method already works