def METHOD_NAME(self, *_):
    """
    The fields from filter definitions should be normalized as lists. The fields defined
    on the form should be single values (limit, offset and query).
    """
    form = ItemSearchForm(
        data=QueryDict(query_string="limit=9&offset=3&query=maths")
    )
    self.assertTrue(form.is_valid())
    self.assertEqual(
        form.cleaned_data, {"limit": 9, "offset": 3, "query": "maths", "scope": ""}
    )