sdk: make cluster createTest conflict with Host
sdk: make cluster createTest conflict with Host

Change-Id: I6363861666bb8106fc6869290c58278898d9a21f
Signed-off-by: Michael pasternak <af5566a40fc9757136fd9da9ca5e2dbdd9b039eb@redhat.com>

oVirt/ovirt-engine-sdk-tests