Bring test suite back in operation

[mih]

• Closes #92
• Closes #94
• Closes #95
• Closes #96
• Closes #97

[codecov[bot]]

Codecov Report

Base: 38.63% // Head: 94.63% // Increases project coverage by +55.99% :tada:

Coverage data is based on head (01f41ae) compared to base (05bcad7). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #98 +/- ## =========================================== + Coverage 38.63% 94.63% +55.99% =========================================== Files 10 10 Lines 352 354 +2 =========================================== + Hits 136 335 +199 + Misses 216 19 -197 ``` | [Impacted Files](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad) | Coverage Δ | | |---|---|---| | [datalad\_ukbiobank/ukb2bids.py](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad#diff-ZGF0YWxhZF91a2Jpb2JhbmsvdWtiMmJpZHMucHk=) | `89.36% <ø> (+89.36%)` | :arrow_up: | | [datalad\_ukbiobank/tests/test\_update.py](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad#diff-ZGF0YWxhZF91a2Jpb2JhbmsvdGVzdHMvdGVzdF91cGRhdGUucHk=) | `100.00% <100.00%> (+77.08%)` | :arrow_up: | | [datalad\_ukbiobank/update.py](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad#diff-ZGF0YWxhZF91a2Jpb2JhbmsvdXBkYXRlLnB5) | `94.89% <100.00%> (+72.44%)` | :arrow_up: | | [datalad\_ukbiobank/tests/\_\_init\_\_.py](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad#diff-ZGF0YWxhZF91a2Jpb2JhbmsvdGVzdHMvX19pbml0X18ucHk=) | `100.00% <0.00%> (+64.28%)` | :arrow_up: | | [datalad\_ukbiobank/ukb2bids\_map.py](https://codecov.io/gh/datalad/datalad-ukbiobank/pull/98/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad#diff-ZGF0YWxhZF91a2Jpb2JhbmsvdWtiMmJpZHNfbWFwLnB5) | `100.00% <0.00%> (+100.00%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datalad)

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