'test delete group snapshot.'

def test_delete_group_snapshot(self, req):

    d = self.data
    snapshot_obj = fake_snapshot.fake_snapshot_obj(d.context)
    snapshot_obj.consistencygroup_id = d.group['id']
    self.driver.delete_group_snapshot(d.context, d.cgsnapshot, [snapshot_obj])
    req.assert_called_once_with('snapshot-sets', 'DELETE', None, '192eb39b6c2f420cbae33cfd117f0345192eb39b6c2f420cbae33cfd117f9876', None, 'v2')
