Conformance test issue -- POST request with digest and blob should yield a 201

[wy65701436]

This issue is a sub-task of the OCI Conformance testing epic (#11943)

~~~ REQUEST ~~~
POST  /v2/conformance/testrepo/blobs/uploads/?digest=sha256%3A66ad98165d38f53ee73868f82bd4eed60556ddfee824810a4062c4f777b20a5b  HTTP/1.1
HOST   : ******
HEADERS:
	Authorization: Bearer *****
	Content-Length: 113
	Content-Type: application/octet-stream
	User-Agent: distribution-spec-conformance-tests
BODY   :
ewoJImFyY2hpdGVjdHVyZSI6ICJhbWQ2NCIsCgkib3MiOiAibGludXgiLAoJImNvbmZpZyI6IHt9LAoJInJvb3RmcyI6IHsKCQkidHlwZSI6ICJsYXllcnMiLAoJCSJkaWZmX2lkcyI6IFtdCgl9Cn0=
------------------------------------------------------------------------------
~~~ RESPONSE ~~~
STATUS       : 202 Accepted
RECEIVED AT  : 2020-05-15T06:41:38.733127379Z
TIME DURATION: 28.505218ms
HEADERS      :
	Connection: keep-alive
	Content-Length: 0
	Date: Fri, 15 May 2020 06:41:38 GMT
	Docker-Distribution-Api-Version: registry/2.0
	Docker-Upload-Uuid: 66595367-55dd-41a5-aa8d-c674073cf4fe
	Location: https://10.193.21.1/v2/conformance/testrepo/blobs/uploads/66595367-55dd-41a5-aa8d-c674073cf4fe?_state=*****
	Range: 0-0
	Server: nginx
	Set-Cookie: sid=a0d637056c90e2c9d9ded49d6a893174; Path=/; HttpOnly
	X-Request-Id: 91ff7cd7-b9d8-470c-b203-cd6eeb21db01
BODY         :

Expected
: 202
to equal
: 201

[reasonerjt]

This is the one Josh mentioned they will revisit the oci-spec, right?

[renmaosheng]

@wy65701436 could you please share your discussion with Josh here? do we have a ticket in distribution repo too? thanks.

[wy65701436]

PR to fix on OCI part: opencontainers/distribution-spec#171

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.