'Filtering by an invalid value.'

def test_fieldlistfilter_invalid_lookup_parameters(self):

    modeladmin = BookAdmin(Book, site)
    request = self.request_factory.get('/', {'author__id__exact': 'StringNotInteger!'})
    with self.assertRaises(IncorrectLookupParameters):
        self.get_changelist(request, Book, modeladmin)
