'Check 200 is returned when sort_key is null name
Check 200 is returned when sort_key is name and name is null
for specified marker'

def test_get_index_null_name(self):

    UUID6 = _gen_uuid()
    extra_fixture = self.get_fixture(id=UUID6, name=None)
    db_api.image_create(self.context, extra_fixture)
    self.get_api_response_ext(http.OK, url=('/images?sort_key=name&marker=%s' % UUID6))
