TST: Old issues
- [x] closes #15452
- [x] closes #15613
- [x] closes #15829
- [x] closes #15891
- [x] closes #15898
- [x] closes #16018
- [x] closes #16174
- [x] closes #16309
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them

