PUBAPI-1168 - change the err codes that one of the image-creation tests is checking for.
PUBAPI-1168 - change the err codes that one of the image-creation
tests is checking for.

arekinath/sdc-cloudapi,joyent/sdc-cloudapi,joyent/sdc-cloudapi,KrisShannon/sdc-cloudapi,KrisShannon/sdc-cloudapi,arekinath/sdc-cloudapi