'NOT_FOUND is returned if the requested dataset_id doesn\'t exist.
The error includes the requested dataset_id.'

def test_unknown_dataset(self):

    unknown_dataset_id = unicode(uuid4())
    return self.assertResult('DELETE', ('/configuration/datasets/%s' % (unknown_dataset_id.encode('ascii'),)), None, NOT_FOUND, {u'description': u'Dataset    not    found.'})
