'If reported IPs are blank that node is never chosen.'

def test_reported_ips_empty(self):

    local_ips = {ipaddress_from_string('192.0.0.1'), ipaddress_from_string('10.0.0.1')}
    reported_ips = {u'server2': {ipaddress_from_string('192.0.0.1')}, u'server1': set()}
    self.assertEqual(_get_compute_id(local_ips, reported_ips), u'server2')
