[storages] Remove S3 key when setting attribute to None

4 jobs for topic/default/update-none-remove-s3-key in 2 minutes and 6 seconds (queued for 29 seconds)
Status Name Job ID Coverage
  Test
passed check_manifest #118828

00:00:28

passed flake8 #118829

00:00:24

passed py27 #118830

00:01:22

passed py3 #118831

00:02:03