def test_suppl_number_filter_with_volume(self):
        issue = modelfactories.IssueFactory.create(number='999', suppl_text='2', volume='1', type='supplement')
        response = self.app.get('/api/v2/issues/?suppl_number=%s' % issue.number, extra_environ=self.extra_environ)
        content = json.loads(response.content)

        self.assertEqual(response.status_code, 200)
        self.assertTrue('objects' in response.content)
        self.assertEqual(len(content['objects']), 1)
        content = content['objects'][0]
        self.assertEqual(content.get('suppl_number', None), issue.suppl_text)
        self.assertEqual(content.get('suppl_volume', None), issue.suppl_text)
        self.assertEqual(content.get('number', None), issue.number)
        self.assertEqual(content.get('volume', None), issue.volume)
test that create a supplement issue, with ``number``, ``suppl_text`` and *NON* empty ``volume`` fields.
dataset/ETHPy150Open scieloorg/scielo-manager/scielomanager/api/tests_resources_v2.py/IssuesRestAPITest.test_suppl_number_filter_with_volume