This patch is based on [1] and adds following scenarios: GnocchiMetric.list_metric GnocchiMetric.create_metric GnocchiMetric.create_delete_metric [1] https://review.openstack.org/#/c/453861/ Change-Id: Ia391b89fb7c57dbf30d4ed1756ddca184b1e592f Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>