'Tests proper exception is raised if attempt to get members of
non-existing image'

def test_get_image_members_not_existing(self):

    req = webob.Request.blank(('/images/%s/members' % _gen_uuid()))
    req.method = 'GET'
    res = req.get_response(self.api)
    self.assertEqual(http_client.NOT_FOUND, res.status_int)
