def METHOD_NAME(self):
    updates = {
        'benefitCurrencyConversion.currency_symbol': '$',
        'benefitCurrencyConversion.electricity_kwh_to_currency': '',
        'benefitCurrencyConversion.natural_gas_kbtu_to_currency': '2.0',
        'benefitCurrencyConversion.h20_gal_to_currency': '3.0',
        'benefitCurrencyConversion.co2_lb_to_currency': '4.0',
        'benefitCurrencyConversion.o3_lb_to_currency': '5.0',
        'benefitCurrencyConversion.nox_lb_to_currency': '6.0',
        'benefitCurrencyConversion.pm10_lb_to_currency': '7.0',
        'benefitCurrencyConversion.sox_lb_to_currency': '8.0',
        'benefitCurrencyConversion.voc_lb_to_currency': '9.0',
    }
    json_updates = json.dumps(updates)
    request = make_request(method='PUT',
                           body=json_updates,
                           user=self.commander)
    with self.assertRaises(ValidationError):
        update_benefits(request, self.instance)
    updated_instance = Instance.objects.get(pk=self.instance.pk)
    self.assertEqual(updated_instance.eco_benefits_conversion,
                     self.conversions)