def test_contains(self):
        fields = [data_form.Field(var='botname', value='The Jabber Bot')]
        form = data_form.Form('submit', fields=fields)
        self.assertIn('botname', form)
A form contains a known field.
dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_data_form.py/FormTest.test_contains