tests/test io.py was deleted in a cleanup commit; restore its last version (not the first) alone and commit.

tests/test io.py was deleted in a cleanup commit; restore its last version (not the first) alone and commit.: a task in agent-harbor-tasks (Harbor dataset). Someone deleted tests/test io.py a few commits ago, I think in a "cleanup" commit. Bring it back exactly as it was right before it got…