'``maximum_size`` is included in the returned dict if the dataset
maximum_size is set.'

def test_with_maximum_size(self):

    expected_size = (((1024 * 1024) * 1024) * 42)
    dataset = Dataset(dataset_id=unicode(uuid4()), maximum_size=expected_size)
    expected_uuid = uuid4()
    expected = dict(dataset_id=dataset.dataset_id, primary=unicode(expected_uuid), maximum_size=expected_size, metadata={}, deleted=False)
    self.assertEqual(expected, api_dataset_from_dataset_and_node(dataset, expected_uuid))
