Please describe the problem.

git-annex-testremote reports a failure with a newly created AWS S3 bucket

What steps will reproduce the problem?

(master_env_v163_py36) 17:17  [diagnostic-guide-design-analysis] $ git annex testremote --fast s3-ilya-dgda
...
    remove export when not present:                    Remote is configured to use versioning, but no S3 version ID is recorded for th\
is key, so it cannot safely be modified.
FAIL
      ./Command/TestRemote.hs:240:
      failed


(master_env_v163_py36) 17:17  [diagnostic-guide-design-analysis] $ git annex info --fast s3-ilya-dgda
uuid: 6eb1eba8-1bd0-48f9-b407-50872099ae4f
description: [s3-ilya-dgda]
trust: semitrusted
remote: s3-ilya-dgda
cost: 250.0
type: S3
creds: embedded in git repository (gpg encrypted)
bucket: ilya-dgda
endpoint: s3.amazonaws.com
port: 80
protocol: http
storage class: STANDARD
partsize: unlimited
public: no
versioning: yes
encryption: hybrid (to gpg keys: 1044376D260343BB)
chunking: 33.55 megabyteschunks

""]]


### What version of git-annex are you using? On what operating system?

[[!format sh 

Please provide any additional information below.

# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log

    remove export when not present:                    Remote is configured to use versioning, but no S3 version ID is recorded for th\
is key, so it cannot safely be modified.
FAIL
      ./Command/TestRemote.hs:240:
      failed


# End of transcript or log.

Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)