'Any SimpleListFilter must define a parameter_name.'

def test_simplelistfilter_without_parameter(self):

    modeladmin = DecadeFilterBookAdminWithoutParameter(Book, site)
    request = self.request_factory.get(u'/', {})
    six.assertRaisesRegex(self, ImproperlyConfigured, u"The    list    filter    'DecadeListFilterWithoutParameter'    does    not    specify    a    'parameter_name'.", self.get_changelist, request, Book, modeladmin)
