test: Trying pushing docker image to blobstore backed by S3
test: Trying pushing docker image to blobstore backed by S3

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>

philiplb/flynn,philiplb/flynn,flynn/flynn,flynn/flynn,lmars/flynn,flynn/flynn,lmars/flynn,lmars/flynn,flynn/flynn,philiplb/flynn,philiplb/flynn,lmars/flynn,lmars/flynn,philiplb/flynn,flynn/flynn