def test1_delete_basic(self):
     # Does deleting a system delete it's interfaces?
     mac = "11:22:33:44:55:66"
     label = "foo"
     domain = self.f_c
     ip_str = "10.0.0.2"
     system = System(hostname="foo")
     system.save()
     kwargs = {
         'mac': mac, 'label': label, 'domain': domain, 'ip_str': ip_str,
         'system': system}
     self.do_add(**kwargs)
     self.assertTrue(StaticInterface.objects.filter(**kwargs))
     system.delete()
     self.assertFalse(StaticInterface.objects.filter(**kwargs))