'Call ``GET & HEAD /groups/{group_id}``.'

def test_get_head_group(self):

    resource_url = ('/groups/%(group_id)s' % {'group_id': self.group_id})
    r = self.get(resource_url)
    self.assertValidGroupResponse(r, self.group)
    self.head(resource_url, expected_status=http_client.OK)
