def setUpTestData(cls):

        rack_roles = (
            RackRole(name='Rack Role 1', slug='rack-role-1', color='ff0000'),
            RackRole(name='Rack Role 2', slug='rack-role-2', color='00ff00'),
            RackRole(name='Rack Role 3', slug='rack-role-3', color='0000ff'),
        )
        RackRole.objects.bulk_create(rack_roles)