tests: test producer with recoverable error
tests: test producer with recoverable error

This exercises the path in the new producer-futures code where the error
encountered is recoverable.

Signed-off-by: Yung-Chin Oei <e4c1ab9da74060df152545062ee274845648ed6c@yungchin.nl>

wikimedia/operations-debs-python-pykafka,thedrow/samsa,wikimedia/operations-debs-python-pykafka,thedrow/samsa,wikimedia/operations-debs-python-pykafka,thedrow/samsa,benauthor/pykafka,benauthor/pykafka,benauthor/pykafka