Update tests to reflect http 201 on Post Claim
Update tests to reflect http 201 on Post Claim

This patch updates the claim tests to validate a response code
of http 201, instead of http 200.

Tests: bug# 1210301

Change-Id: If736db462225de86e82b08d87024b0da06af1e34

openstack/zaqar,rackerlabs/marconi,openstack/zaqar,openstack/zaqar,openstack/zaqar