BUG: Fix some parse dates tests for the Arrow CSV reader
- [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry

Fixes around 21 tests. This fix was left out of the original PR in the interest of keeping that one small.
