TST: read_csv with custom date parser and na_filter=True results in ValueError
previous PR #39079

- [ ] closes #36111
- [ ] 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

Hi @ftrihardjo - could you put a descriptive title please (the one from the issue is fine)? @ftrihardjo Why is a new PR opened? It is preferable to continue in #39079 to keep the history more readily visible. thanks @ftrihardjo 